Tuesday
July 29, 2014

Homework Help: Science: Scientists

Recent Homework Questions About Scientists

Post a New Question | Current Questions

Science
You are a scientist hired by the ministry to investigate its anti-collision strategies. Choose one of the five strategies above. Outline a procedure to test how well the strategy works. I've chosen adding highway lighting to improve night visibility. But how do I start it ...
Thursday, July 17, 2014 at 11:42am

Finite Math
A political scientist has received a grant to fund a research project involving voting trends. The budget of the grant includes $3200 for conducting door-to-door interviews the day before an election. Undergraduate students, graduate students, and faculty members will be hired...
Friday, July 4, 2014 at 2:14pm

English
Punctuation commas Scientist have mapped the human genome. They learn more every day about how genes affect an individual's health. My answer Scientist have mapped the human genome, so they learn more every day about how genes affect and individual's health.
Tuesday, June 24, 2014 at 11:05am

Earth Science
Hello! I try to do my homework to the best of my ability. I want to make sure that my answers are correct. My answers will be (*). Please help me if you can.... 1. _______ was the first person to propose the idea of moving continents as a scientific hypothesis. A. Antonio ...
Thursday, June 5, 2014 at 12:43pm

Science
Mrs. Sue please help! 1. Which is most likely to be part of an ionic bond? (1 point) an atom with no valence electrons an atom with one valence electron an atom with two valence electrons an atom with three valence electrons 2. To form an oxygen molecule (O2), two oxygen atoms...
Wednesday, June 4, 2014 at 3:51pm

Algebra
A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 10(1.02)n Part A: When the scientist concluded his study, the height of the plant was approximately 11.04 cm...
Tuesday, June 3, 2014 at 3:31pm

Science
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
Sunday, May 25, 2014 at 9:56pm

science help
1.Why do the islands of Indonesia have many volcanoes and experience frequent earthquakes? A.The islands are located at the boundaries of tectonic plates. B.Many hotspots are found near the islands. C.Magma is less abundant under Earth’s crust near the islands. D.The ...
Sunday, May 18, 2014 at 9:09pm

science
Ions are electrically charged particles that are formed when certain compounds are dissolved in water. These solutions will conduct electricity. The Swedish scientist Svante Arrhenius coined the term ion (which means wanderer) to explain why solutions of electrolytes will ...
Thursday, May 15, 2014 at 8:45pm

Science
The columbia icefield is located between banff and jasper in Alberta. It covers an area of more than 300 km squared and has ice that is up to 365 m thick in some places. How can studying this icefield give scientist information on climate patterns Please explain in simple ...
Friday, May 9, 2014 at 6:18pm

Math
The columbia icefield is located between banff and jasper in Alberta. It covers an area of more than 300 km squared and has ice that is up to 365 m thick in some places. How can studying this icefield give scientist information on climate patterns
Wednesday, May 7, 2014 at 4:02pm

Statistics
I am a big shot research scientist at Washington University where I am using 2ebrafish to study neuronal migration. My graduate students measured 40 fish and found that the mean length of the fish sampled was 3.7 cm with a standard deviation of 0.5 cm. Construct a 95% ...
Sunday, May 4, 2014 at 8:49am

Algebra
A scientist wants to research the potential spread of germs by contact. She knows that the number of possible handshakes within a group of n people is given by the equation N=1/2(n^2-n). Everyone at a party shook hands. There were 253 handshakes in all. How many people ...
Wednesday, April 30, 2014 at 10:43pm

Science
1. If the net force on an object is O N, the forces are considered unbalanced true false 2. Most people in the united states use feet and miles to measure distance in their everyday lives. why do scientist in the United States use meters to measure distance? Meters allow ...
Saturday, April 26, 2014 at 3:36pm

SCIENCE
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
Sunday, April 13, 2014 at 12:49pm

Help!
Geothermal power would be classified as a(n) _____________________ resource because its supply will not run out. An example of a renewable and inexhaustible resource that requires the construction of dams is _________________________ energy. To solve the problem of a polluted ...
Saturday, April 12, 2014 at 5:32pm

Science help!!!!
A______________________ is a tool used to capture the energy in sunlight. Recycling aluminum cans and taking shorter showers are two ways to practice the ________________________ of natural resources. Some plastics are made from corn. These plastics are biodegradable. This ...
Saturday, April 12, 2014 at 3:50pm

Language Arts ~CHECK MY ANSWERS~
Are these answer are correct? Please be 100% correct / honest. Directions: For questions 7–15, rewrite each sentence, adding commas where needed. 7) While I was researching skateboards, I found an interesting old newspaper. 8) In the June 29, 1999 edition of the Mercury ...
Tuesday, April 8, 2014 at 4:06pm

science
Imagine that you are the scientist who discovered cells. If you were to give a speech to a group of fellow scientists, what key points would you include that describe your accomplishments?
Thursday, April 3, 2014 at 2:27pm

science
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
Thursday, April 3, 2014 at 1:07pm

Science
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
Thursday, April 3, 2014 at 11:46am

science
1.   Which is most likely to be part of an ionic bond?  (1 point) an atom with no valence electrons an atom with one valence electron an atom with two valence electrons an atom with three valence electrons 2.   To form an oxygen molecule (O2), two...
Thursday, April 3, 2014 at 11:28am

Science
A______________________ is a tool used to capture the energy in sunlight. Recycling aluminum cans and taking shorter showers are two ways to practice the ________________________ of natural resources. Some plastics are made from corn. These plastics are biodegradable. This ...
Tuesday, April 1, 2014 at 12:43pm

science
im stuck on this problem fill in the blank To solve the problem of a polluted stream a scientist traced where the pollution came from.She determines=d that the pollution was coming from many small sources.she worked on a plan to help reduce the pollution to the stream.This is ...
Sunday, March 23, 2014 at 7:42pm

Alegbra
A scientist measures a speck of sand as having a diameter of 0.00000034. Write this number in scientific notation.
Tuesday, March 18, 2014 at 4:49pm

Alegbra
The distance from the Earth to the sun is 93,000,000 miles? Write this number in scientific notation. A scientist measures a speck of sand as having a diameter of 0.00000034? Write this number in scientific notation.
Wednesday, March 12, 2014 at 7:22pm

Science
How many ice ages do scientist estimate have occurred during the last billion years? 3 5************************************* 6 7 How often do scientists say that recent cycles of advancing and retreating ice sheets occur? approximately every 100,000 years******* approximately...
Wednesday, March 12, 2014 at 2:09pm

science(check answers)
1.True 2.A 3.B 4.C 5.C 6.B 7.C 8.D 1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees ...
Tuesday, March 11, 2014 at 11:36pm

English
I'm writing a personal essay for an internship. Is everything in this essay clarified? Where can I expand? I don't know about you but I like living. And in order for me (and those who proceed me) to live a nice, long and happy life, we have to do something about the ...
Tuesday, March 11, 2014 at 3:52am

English
Choose the best answer 1. What do you get if you mix common bacteria and vinegar. The word common means a. multiple b. ordinary - the answer c. lower-class d. poisonous 2. It is a serious question. The answer is you get bacteria that eat toxic waste and turn that waste into ...
Monday, March 10, 2014 at 1:13pm

Chemistry
An atmospheric scientist interested in how NO is converted into NO2 in urban atmospheres carries out two experiments to measure the rate of this reaction. The data are tabulated below. A: [NO]0 = 9.63 × 10-3 M, [O2]0 = 4.1 × 10-4 M t(s) 0/3.0/6.0/9.0/12.0 [O2] 4.1/...
Sunday, March 2, 2014 at 2:51pm

science
4. a scientist exams a sample of an object from the solar system . there is evidence that the object included ice . the sample most likely comes from a(n) ( 1point ) a . Asteroid b. comet c dwarf planet d meteroroid
Friday, February 28, 2014 at 9:34pm

English- ms sue
Can you check my analogies? 1. Observatory: telescope:: A. Lavatory: hands B. book: idea C. Theory: scientist D. Letter: alphabet Is it b? 2. Twilight: dusk:: A. Dinner:lunch B. marriage: children C. Texture:touch D. Dew: morning Is it c? 3. Scene:act:: A. Play:cry B. today: ...
Friday, February 28, 2014 at 5:47pm

Science
A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with chlorine. It is also very shiny. The element is most likely 1. from group 17 2. from group 1 3. from group 15 4. a noble gas 3?
Friday, February 28, 2014 at 2:02pm

Psychology
A scientist studied whether climate affected growth in rats. All rats were the same age and from the same parent rats. For the study, they were raised in three distinct climates: tropical, arctic, and multiseasonal. In this study, the climates are _______________. a.) ...
Wednesday, February 26, 2014 at 8:19pm

English
Using who or Whom 1. Who told you about our plans? 2. Who is our greatest scientist? 3. Whom did Armando send for? 4. Who are those women? 5. Who is your instructor? 6. Who is your friend? 7. To whom is that package addressed? 8. For whom shall I ask? 9. Who do you think can ...
Wednesday, February 26, 2014 at 5:10pm

English
1. Choose two of the scientists you read about in the Stories of Scientists unit. Compare and contrast these scientists. Answer this question in no fewer than two paragraphs. Be sure to include specific details about each scientist’s life, career, and personality in your ...
Wednesday, February 12, 2014 at 5:57am

reading
In the book Rachel Carson I'm suppose to agree or disagree about "a person can be a professional scientist or writer but rarely both".the chapter is 3 it says use details and examples from the chapter to support your decision and it's hard for me and I don&#...
Thursday, February 6, 2014 at 5:20pm

Science Help!
3. Using coal for fuel releases pollution into the atmosphere. Why do people continue to use coal if it causes pollution? A. Using more coal reduces the amount of pollution from using oil B. Using coal is relatively inexpensive. C. Mining coal helps scientist uncover fossils D...
Monday, February 3, 2014 at 4:03pm

Help!!!
1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting down all of the trees...
Monday, February 3, 2014 at 3:46pm

Help with science
1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting down all of the trees...
Monday, February 3, 2014 at 2:35pm

Science
1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting down all of the trees...
Monday, February 3, 2014 at 1:46pm

law
Ron supervises delivery of flowers for a wholesale distributor of fresh flowers, Flowers. Inc. In order to accommodate one of the company’s best customers, Ron offers to immediately rush a delivery of fresh peonies. All of the delivery trucks are currently out on delivery...
Sunday, February 2, 2014 at 5:31pm

Science ~CHECK MY WORK PLEASE~
A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with chlorine. It is also very shiny. The element is likely A. From Group 17 ********** B. From Group 1 C. From Group 15 D. A Noble Gas Which is most likely to...
Tuesday, January 28, 2014 at 11:31pm

physics
You are a Middle Ages cannonball scientist attacking a castle a distance D away. Your job is to get a cannonball of mass m over the walls, which are a height H above the top of the cannonball launcher. At the instant when the cannonball leaves the launcher it will be traveling...
Sunday, January 26, 2014 at 6:05pm

Chemistry 1
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot day, this life form begins to sweat, and it is determined that the heat of vaporization of its sweat is 215 cal/g. The scientist observing the extraterrestrial life form also ...
Friday, January 24, 2014 at 1:06pm

math
at what depth could the scientist take a new sample would be shallower than the shallowest sample? day depth/ft below lake surface monday: -1 3/8 tuesday: -0.4 wednesday: -1.55 thursday: -9/16 worksheet rational numbers on a number line Practice !0-3
Monday, January 13, 2014 at 6:44pm

Biology
Why is there a need for a scientist to know the limitations of Science?
Tuesday, January 7, 2014 at 9:38pm

Physics
A villain is knocked out of a low-flying aircraft by a heroic scientist-adventurer at an altitude of 370 m. After falling for 120 m the villain reaches terminal velocity. 7.16 seconds after reaching terminal velocity, the villain crash lands in a river full of piranha. If the ...
Sunday, December 15, 2013 at 11:02pm

BIOLOGY
Why is there a need for a scientist to know the limitations of science?
Saturday, December 7, 2013 at 10:09pm

Science
Ions are electrically charged particles that are formed when certain compounds are dissolved in water. These solutions will conduct electricity. The Swedish scientist Svante Arrhenius coined the term ion (which means wanderer) to explain why solutions of electrolytes will ...
Saturday, December 7, 2013 at 11:14am

PHYSICS
Why is there a need foe a scientist to know the limitations of Science?
Wednesday, December 4, 2013 at 7:15pm

Health (Ms. Sue)
1. What are two ways that society could deal with future concerns about genetic information? A: ? 2. Identify how keeping person health records can help a person cope with hereditary diseases. A: Keeping personal health records can help a person cope with hereditary diseases ...
Saturday, November 30, 2013 at 5:13pm

Health (Ms. Sue)
1. What are two ways that society could deal with future concerns about genetic information? A: ? 2. Imagine you are a scientist working on the Human Genome Project. What would you say to news reports about your research? A: ?
Friday, November 29, 2013 at 7:36pm

Science-Ms.Sue
Suppose some natural disaster occurs and a species of finch is forced to relocate from its original island where it dined on cactus flowers to an adjacent island with many fewer cacti but an overabundance of orchids. What would be the immediate consequences to the species in ...
Sunday, November 24, 2013 at 10:17pm

Science
Study the image of the fossil shown below. How might a scientist use this fossil to learn more about the history of life on Earth? connexus dot com/content/media/917517-4162013-72829-P​M-1012149111.jpg to compare structures in the fossil with homologous structures in ...
Sunday, November 24, 2013 at 7:48pm

biology - cells
Which scientist proposed that cells come from other cells? A. Hooke B. van Leeuwenhoek C. Schwann D. Virchow
Monday, November 18, 2013 at 10:50pm

science
explain what science is give an example of a type scientist and what they study
Monday, November 18, 2013 at 2:19pm

DE Science
I am thinking A. A scientist claims plants and animals that exhibit reproductive cycles based on the changing seasons are highly affected by climate change. What is the correct justification of the scientist's claims? A) Climate change can cause a timing mismatch of energy...
Thursday, November 14, 2013 at 10:43pm

biology
an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away from the enzyme, ...
Wednesday, November 6, 2013 at 8:08pm

Statistics
A scientist in Smallville tested the cholesterol of a random sample of 35 town residents. He constructed the following confidence interval: t-interval for μ: with 99.00% Confidence: 188 < μ(Cholesterol) < 206 What is the margin of error? A) 18 B) 9 C) 1.09 D) ...
Wednesday, November 6, 2013 at 7:49pm

science
1. In an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away from the ...
Wednesday, November 6, 2013 at 3:52pm

science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Friday, November 1, 2013 at 1:05pm

Science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Thursday, October 31, 2013 at 11:17am

science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Wednesday, October 30, 2013 at 7:18pm

Science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Wednesday, October 30, 2013 at 5:30pm

Science
a scientist crosses a plant with red flowers and a plant with white flowers. The off spring will most likely have a) red flowers b) white flowers c) pink flowers d) red flowers with white patches
Monday, October 28, 2013 at 2:27pm

science
a scientist is studying a new chemical hopes will prevent insects from eating raspberry bushes. He sprays the chemical on a raspberry bush and places it with an unsprayed blackberry bush and some insects in a sealed room. he objectives insects eating the blackberry bush, but ...
Monday, October 28, 2013 at 1:10pm

PHYSICS (HELP)
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...
Monday, October 28, 2013 at 11:59am

physics(elena)
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...
Monday, October 28, 2013 at 11:37am

Physics Classical Mechanics
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...
Monday, October 28, 2013 at 6:10am

physics (please help)
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...
Sunday, October 27, 2013 at 3:51pm

science
Explain what science is. Give an example of a type of scientist and what they study .
Saturday, October 26, 2013 at 10:25pm

physics
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...
Saturday, October 26, 2013 at 6:30pm

science
why do scientists use the international system of units(SI)? a) because the SI is based on the metric system b) because the tools scientists use only measures in SI units c) so they can communicate their results without confusion d) so all scientist are guaranteed to come up ...
Saturday, October 26, 2013 at 2:49pm

physics
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...
Friday, October 25, 2013 at 8:49pm

physics (help)
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...
Friday, October 25, 2013 at 8:48pm

physics
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...
Friday, October 25, 2013 at 8:23pm

PHYSICS
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...
Friday, October 25, 2013 at 7:52pm

physics
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...
Friday, October 25, 2013 at 11:31am

biology
Evidence suggests that bacteria supplied with a cup of sugar could run a 60-watt light bulb for 17 hours. What would a scientist need to do to be able to affirm this scientific idea? is it to conduct an experiment to test the hypothesis
Thursday, October 17, 2013 at 7:24pm

biology
Evidence suggests that bacteria supplied with a cup of sugar could run a 60-watt light bulb for 17 hours. What would a scientist need to do to be able to affirm this scientific idea? is it to conduct an experiment to test the hypothesis
Thursday, October 17, 2013 at 7:18pm

Practical English
This is my second time taking this exam this is the last one so I can graduate here is what I think the answers are. If you see any mistakes please help. 1. Choose the sentence in which the verb is a linking verb. A. He works at a gas station. B. His boss pays him well. (C.) ...
Monday, October 7, 2013 at 4:00pm

Science
A scientist goes to a large international conference and hears about a new discovery. The scientist is very excited about these new findings and decides to verify the other scientists’ results by conducting her own investigations. The scientist is being open-minded but ...
Thursday, October 3, 2013 at 9:59am

Grade 12 University Chemistry
Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...
Saturday, September 28, 2013 at 1:10pm

grd 12 U chemistry
Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...
Saturday, September 28, 2013 at 9:58am

Science
1) Which of the following is a valid reason why a scientist might reject a scientific theory? (1point) Some people disagree with it. It covers too broad a topic. New evidence contradicts it.*** It is too old. 2) A scientific hypothesis must be (1point) Correct Able to be ...
Thursday, September 26, 2013 at 2:35pm

Chem
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 650mL of a solution that has a concentration of Na+ ions of 1.50M ? Explain answer with three significant figures and ...
Wednesday, September 25, 2013 at 10:34pm

Math
A certain bacteria doubles the number of its cells every 20 minutes. A scientist puts 50 Cells in a culture disk. How many cells will be in the culture disk in 2 hours?
Tuesday, September 24, 2013 at 2:48am

science
A scientist observes chimps putting dry leaves into a hole in the tree. The leaves come out wet and the chimps lick the water off of the leaves. The scientist reasons that there is water inside the tree. This reasoning is called what?
Monday, September 16, 2013 at 2:57pm

science
A scientist goes to a large international conference and hears about a new discovery. The scientist is very excited about these new findings and decides to verify the other scientists' results by conducting her own investigations. The scientist is being open-minded but ____
Monday, September 16, 2013 at 2:53pm

science
If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the dependent variable...
Thursday, September 12, 2013 at 12:06pm

Science
If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the dependent variable...
Thursday, September 12, 2013 at 9:45am

Science
1)A scientist at a chemical company designs and conducts an experiment to determine if a chemical made by the company is harmful to crops. To do this, he sprays the chemical on three plants he has in the laboratory. None of the plants survive. The scientist reports that the ...
Wednesday, September 11, 2013 at 11:07pm

science
If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the dependent variable...
Wednesday, September 11, 2013 at 10:21pm

Science
If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the dependent variable...
Wednesday, September 11, 2013 at 7:03pm

la need help
1. When you summarize an informational article, you should (1 point) leave out minor details. use the author's words, including direct quotations. leave out important details. include as much information as possible. 2. Why might a scientist choose to categorize scientific...
Thursday, September 5, 2013 at 10:24am

Science
What resources should a scientist use to research water pollution?
Wednesday, August 28, 2013 at 8:44pm

chemistry
A scientist makes 300.0 mL of an acetate buffer using [CH3COOH]o=[NaCH3COO]o= 0.075 M. How many mL of 5.0 M NaOH can be added before its buffering capacity is exhausted?
Monday, August 5, 2013 at 10:51pm

Sociology
In Chapter 2 of the textbook, the author describes meanings for the concept of socio-economic class and analyzes how perceptions of justice may be influenced by class distinctions in American society (see Section 2.4). He also references the related views of two provocative ...
Thursday, July 18, 2013 at 6:25pm

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