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September 3, 2014

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Science
Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for homologous ...
Monday, November 11, 2013 at 3:35pm

science
Identify a viewpoint from the text that highlights the importance of biodiversity. Do you believe every species is connected to one another, as expressed in the text? Why or why not? Give an example of a case where the extinction of one species might effect the life of another.
Monday, November 11, 2013 at 1:12pm

Science
13. If we used wave energy to produce electricity, which of the following would be a positive environmental benefit? A) We would have power to run lights on navigation buoys B) We would reduce the amount of fossil fuels used to produce electricity and reduce pollution. C) The ...
Monday, November 11, 2013 at 12:26pm

science
Earth titled axis affects the strength of sunlight in different places of earth's surface. If you are in an area that receiving less direct sunlight,where are you located? a) near the equator b) near the north pole c) near the south pole d) near the north or south pole
Monday, November 11, 2013 at 11:49am

Science
Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for homologous ...
Monday, November 11, 2013 at 10:46am

science
erosion and weathering are examples of which type of forces ? a) constructive forces b) destructive forces c) gravitational forces d) inertia-related forces
Monday, November 11, 2013 at 9:57am

science
what do angiosperms reproduce with??/
Monday, November 11, 2013 at 8:56am

science
how would the length of a day be affected if all the world's inhabitants continuously walked in an easterly direction? when they stopped walking?
Monday, November 11, 2013 at 4:07am

science
when a long-range cannonball is fired towards the equator from a northern (or southern) latitude, it lands west of its "intended" longitude. Why?
Monday, November 11, 2013 at 3:56am

Science
Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for homologous ...
Sunday, November 10, 2013 at 10:01pm

law ans ethics in allied health
the science of improving hededitary is known as a.genetics b.amniocentesis c.dna research d.eugenics my answer is a
Sunday, November 10, 2013 at 7:38pm

science help!!
You suffer from severe allergic reactions to things like stings from bees and wasps. What would be an important preparation for you if you were going to a farm to pick fruit?
Sunday, November 10, 2013 at 6:58pm

science help!!!
Explain how your respiratory system could help guard your body against pathogens that are in the air.
Sunday, November 10, 2013 at 6:41pm

Science
Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both species to look for homologous ...
Sunday, November 10, 2013 at 5:26pm

Science
Study the wings of the birds in the two images below. Which of the following words applies to only one of the wing structures represented in this pair of species? A. homologous B. developmental C. vestigial D. inherited I cannot post the pictures, but they are basically one ...
Sunday, November 10, 2013 at 4:25pm

science
must all tpopgraphic maps have a contour line that represents 0m of elevation explain
Sunday, November 10, 2013 at 3:37pm

science
earth and the moon are kept in their respective orbits due to the influence of ? a) inertia b) gravity c) both inertia and gravity d) neither inertia and gravity
Sunday, November 10, 2013 at 2:34pm

science
which of earths spheres contains most of is mass ? a) atmosphere b) hydrosphere c) geosphere d) biosphere
Sunday, November 10, 2013 at 2:30pm

Science
A portion of the amino acid sequence of an enzyme from a worm is shown below. -Q-Q-Q-N-N-N-C-C Analyze the same portion of the same enzyme taken from several other organisms. Place them in order from most closely related to the worm most distantly related to the worm. -Q-R-Q-N...
Sunday, November 10, 2013 at 2:07pm

Science
an insect undergoes major changes in its life cycle - from egg, to larva, to pupa, to adult. This insect goes through what?
Sunday, November 10, 2013 at 7:24am

science
A bullet is fired horizontally with a velocity of 250 m/s from the top of a building 100m high. Find the Horizontal and vertical velocities of the bullet when it reaches the ground, the resultant velocity, the horizontal displacement, the net displacement, the direction of the...
Sunday, November 10, 2013 at 12:52am

Science
Which of the following explains why a bone in a bird’s wing is homologous to a bone in a lizard’s front leg? a.The bones in the two species provide for the same type of motion. b.The bones in the two species are both vestigial structures. c.The two species were ...
Sunday, November 10, 2013 at 12:02am

Science
what patterns you observe in regards to dissolved oxygen content and fish populations in the body of water?
Saturday, November 9, 2013 at 4:37pm

SCIENCE help please???????????
Choose the words or phrases that most accurately complete the sentences below. One of the most effective measures that a government can undertake to reduce cardiovascular disease is to ………………..In​dividuals can also decrease their own risk of...
Saturday, November 9, 2013 at 9:18am

additional science: physics
Hello i have 2 questions in total. 1) The meteor enters the Earth’s atmosphere with an acceleration of approximately 9.7 m/s2 and with a force acting on it of 1.94 N. What is the mass of the meteor? Show your calculations. 2) Compare this value of the acceleration due to ...
Saturday, November 9, 2013 at 8:24am

SCIENCE help?
I did this question in this way but 2 of them correct ,is anyone can help me with this question ,many thanks. Choose the words or phrases that most accurately complete the sentences below. Drag and drop your choices into their appropriate spaces. One of the most effective ...
Saturday, November 9, 2013 at 2:48am

Science
What is the structure that directs chromosome movement during mitosis and aids in the formation of the microtubule scaffolding that pulls on the chromosomes? a. Centrosome (maybe) b. Nucleosome (don't think so) c. Spindle (maybe) d. Cytokinesis(don't think so)
Friday, November 8, 2013 at 6:29pm

SCIENCE
I did this question in this way but 2 of them correct ,is anyone can help me with this question ,many thanks. Choose the words or phrases that most accurately complete the sentences below. Drag and drop your choices into their appropriate spaces. One of the most effective ...
Friday, November 8, 2013 at 11:54am

science
the force of gravity between two objects decreases as the distance between the two objects increases. true or false
Friday, November 8, 2013 at 11:40am

Earth Science
need help plzz .... I did some but I would like someone to double check them too 1. How did planetesmals form planets? (1 point) A. They broke apart into smaller chunks. B. They collided and stuck together. C. They cooled and pulled ice together. D. They began to rotate. 2. ...
Friday, November 8, 2013 at 11:23am

science
How did Rutherford, bohr, and quantum geiger-marden metail-foil experiments contradict thomas's raisin pudding model of the atom?
Friday, November 8, 2013 at 9:47am

Science!!!!
1. Which of the following gases was most likely present in Earth's earliest atmosphere? (1 point) A) nitrogen B) hydrogen* C) argon D) oxygen 2. Which of the following statements accurately describes the development of the geologic time scale? (1 point) A) Scientists ...
Friday, November 8, 2013 at 8:59am

science
earth appears to be mostly blue when viewed from space because it is mostly covered by ? a) water b) oxygen c) carbon dioxide d) ozone
Friday, November 8, 2013 at 7:58am

Statistics
I already found part A just need help with B! The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computer-science course. The results were as follows. (Give your answers correct...
Thursday, November 7, 2013 at 11:06pm

Science
Is Tn and Co an element or a compound?
Thursday, November 7, 2013 at 10:22pm

Science
it is now 8:59am but when the bell rings at 9:00am Suzete will be late for Science class. She must get from one side of school down three different hallways. She runs down the first a distance of 35.0 m at a speed of 3.50m/s. The second haallway is filled with students and she...
Thursday, November 7, 2013 at 9:06pm

science
Hans stands at the rim of the grand canyon and yodels down to the bottom. He hears his yodel echo back from the canyon floor 5.20 seconds later. Assume that the speed of sound in air is 340.0m per second. How deep is the canyon? Hint: Note that the time is for the sound to ...
Thursday, November 7, 2013 at 8:55pm

Science - The Sun
What is the true thickness of each of the sun's layers (core, radiation zone, convection zone, photosphere, chromosphere, and corona)? What is the age, composition, average density, period of rotation, distance from Earth, and source of energy from the sun?
Thursday, November 7, 2013 at 8:33pm

Science
A population of oak trees growing in a region in Canada experiences a change in climate to much colder temperatures and much drier conditions than they have had for many decades. What determines how this population will change in the next few years? traits of individuals in ...
Thursday, November 7, 2013 at 8:16pm

science
Will marbles move slower in dove or pantene shampoo?
Thursday, November 7, 2013 at 6:06pm

science
how dose climate affect weathering
Thursday, November 7, 2013 at 5:28pm

Math in Science
A rock containing a newly discovered fossil is found to contain 5 mg of an unstable form of potassium and 5 mg of the stable element formed from its decay. If the half-life of the unstable form of potassium is 1.3 billion years, how old is the rock? What can you infer about ...
Thursday, November 7, 2013 at 5:25pm

Science
A population of oak trees growing in a region in Canada experiences a change in climate to much colder temperatures and much drier conditions than they have had for many decades. What determines how this population will change in the next few years? traits of individuals in ...
Thursday, November 7, 2013 at 5:04pm

Science
Explain in one paragraph how does climate affect weathering ?
Thursday, November 7, 2013 at 4:53pm

Science
How many grams are in 3CuCl2
Thursday, November 7, 2013 at 4:23pm

Science
How many grams are in 3CuCl2
Thursday, November 7, 2013 at 4:23pm

Science
i need detailed chemical properties for the element arsenic. i looked on the websites online and i looked in my text book
Thursday, November 7, 2013 at 4:15pm

Science
1. Which of the following gases was most likely present in Earth's earliest atmosphere? (1 point) A) nitrogen B) hydrogen* C) argon D) oxygen 2. Which of the following statements accurately describes the development of the geologic time scale? (1 point) A) Scientists ...
Thursday, November 7, 2013 at 2:13pm

Science
A population of oak trees growing in a region in Canada experiences a change in climate to much colder temperatures and much drier conditions than they have had for many decades. What determines how this population will change in the next few years? traits of individuals in ...
Thursday, November 7, 2013 at 1:49pm

science
can you please give me a link to a detailed essay on gender differences in depression. I need a guideline to work from
Thursday, November 7, 2013 at 12:47pm

science
what are good subtopics for an essay on gender differences in depression
Thursday, November 7, 2013 at 12:22pm

science
which of the following is the best course of action when it comes to using natural resources
Thursday, November 7, 2013 at 12:03pm

Science
1. Which of the following gases was most likely present in Earth's earliest atmosphere? (1 point) A) nitrogen B) hydrogen* C) argon D) oxygen 2. Which of the following statements accurately describes the development of the geologic time scale? (1 point) A) Scientists ...
Thursday, November 7, 2013 at 8:47am

science
when a weight of 100g is hung from the spring, its length is 9cm. when a weight of 150g is hung from it, its length is 11cm. what is the length of the spring when there is no weight hanging from it?
Thursday, November 7, 2013 at 8:07am

science help plzzz
Multiple Choice 1. Which of the following images shows a living organism interacting with a biotic factor in its environment? (1 point) bird drinking water koala eating leaves plant in the Earth whale in the ocean 2. Which of the following shows the correct order from smallest...
Thursday, November 7, 2013 at 3:28am

science
humans have the ability to effectively swallow upside down, what makes this possible? explain clearly plz!!!
Wednesday, November 6, 2013 at 10:30pm

science
An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
Wednesday, November 6, 2013 at 10:19pm

science help!!!
considering that lung transplants are almost always unsuccessful what might you suggest as a treatment for someone who is suffering from emphysema?
Wednesday, November 6, 2013 at 10:17pm

science
A positive test charge of 6.00 µC is placed in an electric field, which exerts a force of 5.00 x 10-4 N on the test charge. What is the magnitude of the electric field strength at the location of the test charge? (remember E = Fon q' / q', and 1 µC = 1.00 x...
Wednesday, November 6, 2013 at 7:29pm

science
What is the difference between gravitational force and the electric field?
Wednesday, November 6, 2013 at 7:16pm

science
The units for expressing electric field strength include:
Wednesday, November 6, 2013 at 7:14pm

Science
I need some chemical properties for the element Arsenic
Wednesday, November 6, 2013 at 5:53pm

Science
I need some chemical properties for the element Arsenic
Wednesday, November 6, 2013 at 5:51pm

Science
3. What can scientists learn from the rate at which radioactive elements decay? (1 point)
Wednesday, November 6, 2013 at 5:28pm

science
2. How do enzymes impact biochemical reactions in the body? A. Enzymes are catalysts to biochemical reactions. B. Enzymes lower the activation energy of biochemical reactions. C. Enzymes can speed up biochemical reactions. D. All of the above are correct.
Wednesday, November 6, 2013 at 3:53pm

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. The sporophyte generation produces spores that grow into a(n) (1 point) gametophyte. gymnosperm. angiosperm. pupa. 2. Placental mammals develop (1 point) in an egg laid in water. in a pouch on the mother’s body. inside the mother’s body. inside an amniotic egg. 3...
Wednesday, November 6, 2013 at 2:15pm

Science
1. The sporophyte generation produces spores that grow into a(n) (1 point) gametophyte. gymnosperm. angiosperm. pupa. 2. Placental mammals develop (1 point) in an egg laid in water. in a pouch on the mother’s body. inside the mother’s body. inside an amniotic egg. 3...
Wednesday, November 6, 2013 at 2:02pm

Science
1. The sporophyte generation produces spores that grow into a(n) (1 point) gametophyte. gymnosperm. angiosperm. pupa. 2. Placental mammals develop (1 point) in an egg laid in water. in a pouch on the mother’s body. inside the mother’s body. inside an amniotic egg. 3...
Wednesday, November 6, 2013 at 1:31pm

Science
After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record? a. an earthquake or motion along a fault. b. new deposits of sediment must build up on the eroded area. c. folding of sedimentary rock layers. d. a ...
Wednesday, November 6, 2013 at 1:13pm

Science
During which section of the geologic time period did the first modern humans evolve? a. during the Paleogene period of the Cenozoic era. b. during the Quaternary period of the Cenozoic period. c. during the Cretaceous period of the Mesozoic era. d. during Precambrian time. B
Wednesday, November 6, 2013 at 12:24pm

Science
which of the following vertebrates had the chance to become abundant after the dinosaurs became extinct? a. wolly mammoths b. amphibians c. mammals d. reptiles C
Wednesday, November 6, 2013 at 12:15pm

Science
Which of the following vertebrates had the chance to become abundant after the dinosaurs became extinct? a. wolly mammoths b. amphibians c. mammals d. reptiles C
Wednesday, November 6, 2013 at 11:45am

Science
After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record? a. an earthquake or motion along a fault. b. new deposits of sediment must build up on the eroded area. c. folding of sedimentary rock layers. d. a ...
Wednesday, November 6, 2013 at 11:19am

Science
3. What can scientists learn from the rate at which radioactive elements decay? (1 point)
Wednesday, November 6, 2013 at 10:19am

Social Science
Reading this article, Happiness is a thing called stable extraversion: a further examination of the relationship between the Oxford Happiness Inventory and Eysenck's dimensional model of personality and gender Determine what the independent and dependent variables are in ...
Wednesday, November 6, 2013 at 10:17am

science
on the windward side of the mountain, should the relative humidity of the parcel change as it rises from 3000 feet to 6000 feet? Why?
Wednesday, November 6, 2013 at 10:08am

science help pleaseeeeeeeeeeeeeeeee?
I did this question in this way but 2 of them correct ,is anyone can help me with this question ,many thanks. Choose the words or phrases that most accurately complete the sentences below. Drag and drop your choices into their appropriate spaces. One of the most effective ...
Wednesday, November 6, 2013 at 7:54am

Math/Science
Explain how you could determine, give the following 3 pieces of information, (you need all 3 together not each one individually) the radius of the Earth. 1)Jakarta and Port Moresby, the capital of pau New Guinea, are two cities on the equator. 2) A plane leaves from Port ...
Wednesday, November 6, 2013 at 1:31am

Science
the gravitational force between two objects is proportional to the blank of the distance blank
Tuesday, November 5, 2013 at 10:03pm

science
Create a diamante poem about acids and bases.
Tuesday, November 5, 2013 at 9:22pm

Earth Science
do you think that the earthquake that affected japan should have a impact on the nuclear issues for the united states ? DONT UNDERSTAND THIS QUESTION AT ALL !
Tuesday, November 5, 2013 at 7:40pm

science
which of earths spheres contains mountains,valleys , and other landscapes ? a) atmosphere b) biosphere c) geosphere d) hydrosphere
Tuesday, November 5, 2013 at 6:54pm

science
what keeps earth from falling into the sun ? gravitational pull or inertia
Tuesday, November 5, 2013 at 6:45pm

physics
My teacher needs us to formulate a question for the science fair. Till now, we have only learned the Kinematics equations, HELP, please....
Tuesday, November 5, 2013 at 6:07pm

Science
How long will a skateboarder be out if they decide to travel for 654 meters with a velocity of 1.2 m/s
Tuesday, November 5, 2013 at 1:44pm

Science
Please help I don't understand this! If the following compound is combined, how many if each would be needed to make electrically neutral compound? Fe(3+) &Cl(1-)
Tuesday, November 5, 2013 at 12:01pm

science
Any topic (writer's choice) Research paper Science 3 pages / 825 words Discipline: Science Type of service: Writing from scratch Format or citation style: APA
Tuesday, November 5, 2013 at 9:02am

Science
a ball weighing 1.78N is shot through a launcher, achieving a speed from rest of 41 m/s in 0.28s what is the acceleration of the ball as it moves through the launcher?
Tuesday, November 5, 2013 at 7:31am

Science
1. Can a cat see well at night? 2. Does a bear have 42 teeth? 3. Can a fish close its eyes? 4. Can a hippo stay under water for 30 minutes? (What is the answer to the question?)
Tuesday, November 5, 2013 at 6:38am

Science
What measurement is made with a triple beam balance? My answer was going to be Mass, but I didn't know if the answer could be Grams or not. Please help!
Monday, November 4, 2013 at 6:13pm

Science
What are some ways force can affect motion?
Monday, November 4, 2013 at 4:43pm

Science
Explain how to use a triple beam balance.
Monday, November 4, 2013 at 4:24pm

Science
What measurement is made with a triple beam balance? My answer was going to be Mass, but I didn't know if the answer could be Grams or not. Please help!
Monday, November 4, 2013 at 4:03pm

science
apa style last reference citation Write the correct references citations in the body of the text for the following A number of earlier studies have consistently found similar results (Robert Hayes and James Larson, 2006. Brian Hayes, 2007. Frank Hayes and Michael Stone 2009, ...
Monday, November 4, 2013 at 1:38pm

science
apa style even more reference citations Write the correct references citations in the body of the text for the following ...evidence which supports their theory (Decker and brown, in 2005, Decker and brown in 2007, Decker and brown again in 2007. Collins and Pine in 2009. ...
Monday, November 4, 2013 at 1:37pm

science
apa style again another reference citation Write the correct references citations in the body of the text for the following ...in a number of studies (Harrott and Wilson:2011. Quist and Jones: 2006).
Monday, November 4, 2013 at 1:36pm

science
apa style another reference citation Write the correct references citations in the body of the text for the following Studies by both Choi and Carlyle (2010/2008) & Grant and Murphy (2005/2004), found.
Monday, November 4, 2013 at 1:36pm

science
apa style Write the correct references citations in the body of the text for the following A recent study (by Smith and Cooper in 2000) found...
Monday, November 4, 2013 at 1:34pm

science
apa style more references identify at least seven different problems with the following reference and the re-write the reference in its proper form Doherty, Sam; Ames, Leslie; & Clark, David. (2003). The Effects of Music on Perceptual Tasks, in H. Burns (Ed.), The effects of ...
Monday, November 4, 2013 at 1:32pm

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