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science
how quickly -years- can new plants and animals inhabit an area that undergoes a temperature or precipitation change?
behavioral science
describe briefly the six psychological
science
At what height above the earth is the acceleration due to gravity 12% of its value at the surface?
advance intergraded science
picture of c6h12o6
Science
For this question : How does the photoperiod differ between the two solstices? wouldn't the solstices be spring and fall?
Science
The cause of the seasons on Earth is often mistakenly attributed to the elliptical orbit of Earth around the sun. What is the actual cause of the seasons? Tha actual cause of the seasons is because of the tilt of Earth's axis. please correct me if i'm wrong, thanks :-)
Science: Physics and Chemistry
Can someone please help me with this??? I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn, only F...
Science
A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000 kernels on average. Wh...
science
I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn, only Fg because it is hanging. So I draw line...
To: drwls
Can you please have a moment to look at my other science post which you helped me on, thanks
Science
I want to see earth in satellite image. I know about google and wikimapia, are there any other sites that have satellite images for you to see for free?
science
explain how the carbon cycle and the nitrogen cycle are connected.
Science: Physics and Chemistry
I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn, only Fg because it is hanging. So I draw lines...
Science
The cause of the seasons on Earth is often mistakenly attributed to the elliptical orbit of Earth around the sun. What is the actual cause of the seasons? Tha actual cause of the seasons is because of the tilt of Earth's axis. please correct me if i'm wrong, thanks :-)
Science
What is unique about the photoperiod at the two equinoxes? At the two equinoxes, the photoperiod is equal, it stays the same for both dates?????????? Please help me with this one, I don't think I have it right.
Science
How does the photoperiod differ between the two solstices? The Photoperiod becomes longer in summer and it becomes shorter in winter. Please tell me if this is correct, and any other infomation would be appreciated, thanks
Science
What is the photoperiod? I wrote: The photoperiod is the length of day. Please tell me if this is correct, thanks
science
Es cells have the capacity to become almost any kind of human cell. What other medical problems, in addition to nerve regrowth, might be solved by their use
science
can someone tell me what is...the ability of a solid object to return to its original size & shape after it has been strecthed. thank you
science
Why doesn't the cell membrande pinch in to divide the cytoplasm telophase in plant cells?
science
what forces would be at work if you were trying to move a 20,000-kg. block of stone?
Science
How can you demonstrate that finely ground fluids are not fluids.
Science
Compare and contrast liquids and gases.
Science
How do you distinguish between a fluid and a non- fluid.
Computer Science
This is the problem: The following HTML code fragment contains a reference to an image file called frog.gif and with alternate text set to froggy, but the code as written contains a number of errors. Write the HTML line correctly. <IMG SCR=frog.gif ALT=froggy> (Note: thi...
Enviromental Science
Estimate the velocity of the groundwater flowing from a point 500 feet from a creek. The point is 50 feet above the surface of the creek and the permeability of the subsurface is approximately 10-5. Approximately how long would it take the groundwater to reach the creek?
environmental science
i need to think of ways of how to reduce reuse and recycle waste in a theme park.any help would be great thanks!:)
7th grade science
what wedsite can i find pictures and info. on a arab , chinese and native american astronomer from the 1054.
Environmental Science
I need a little help on these, i've posted them a few times but i don't get any answers. 29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large mats of algae to...
Science.
Produced by detergent. _rot_
physical science 2
Whatis the electrical force between two charged particles located 1.0 meter apart?
physical science 2
Whatis the electrical force between two charged particles located 1.0 meter apart?
Science -CLIMATE
Explain how different temperatures on earth create winds.
Science
Ok, so the formula for power is p=w/t but how would it work in this problem: what power output is required to lift a 3 kg mass at an average velocity of 5 m/s
Science- CLIMATE!
Consider the following atmospheric conditions: the surface air temperature is 18 degrees C, and the air temperature at 1000m is 10 Degrees C. If a parcel of dry air is lifted from the surface to a height of 1000 m, will it continue upward or be pushed back down? Why? What if t...
Science(Please help!!!)
1) Is the form of weathering called uploading common in Flordia? Why or why not? 2) What are the different types of chemical weathering?
science
In 4th grade science, How could measuring the orbit of a comet help scientists understand when it will next be visible from Earth?
science
1) Is the form of weathering called uploading common in Flordia? Why or why not? 2) What are the different types of chemical weathering?
science
I need the definition of HEAT ENERGY.
Science-Damon
Describe how the movement of Earth is responsible for day and night. The movement of earth is responsible for day and night because as it rotates counterclockwise we tend to have this result. The part of earth that faces the sun experiences daylight, and the part that faces aw...
science
what is the first and fourth planet in the solar system?
science
what is the first and fourth planet in the solar system?
Science-Repost
Describe how the rotation of Earth is responsible for the movement of the stars. The rotation of earth is responsible for the movement of stars because as it rotates, objects around it rotate as well, such as planets, they appear to move through the stars because they are that...
Science-Repost
Describe Earth's rotation in terms of its axis and length of time to rotate. Earth's axis has never pointed in the same direction. It slowly traces a circle every 26 000 years. The tilt of the earth's axis isn't usually pointing straight up. It traces a circle ...
Science
How can I make a 3-d model of the plant and animal cells(Clearly Labeled). Also I can't use food or clay also clay-dough. Plz help
SCIENCE
how did the bicycle help other scientist discover or invent things
Science
If you were to look down on Earth from above the North Pole, in which direction would Earth appear to rotate? If you were to look down on Earth from above the North Pole, then earth would appear to rotate in a counter-clockwise direction. More info would be appreciated, thanks.
Science
Describe how the movement of Earth is responsible for day and night. The movement of earth is responsible for day and night because as it rotates counterclockwise we tend to have this result. The part of earth that faces the sun experiences daylight, and the part that faces aw...
Science
Describe Earth's rotation in terms of its axis and length of time to rotate. The earth's axis slowly changes in the way it points. It changes direction over time. One effect of this precession, is the changing position of the North Celestial Pole. It takes 26 000 years...
Science
Describe how the rotation of Earth is responsible for the movement of the stars. The rotation of earth is responsible for the movement of stars because as it rotates, objects around it rotate as well, such as planets, they appear to move through the stars because they are that...
Science CLIMATE
which has a stronger effect on climate: the atmosphere or ocean?
Science-Pendulum
The four parts in which I had to go through this investigation was: Part 1: Practice Part 2: Does mass affect the swing rate of a pendulum? Part 3:Does Arc length affect the swing rate of a pendulum? Part 4:Does Length affect the swing rate of a pendulum. It asks why was it ne...
science
A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000 kernels on average. Wha...
Science
Your desk is classified as a solid because it has a definite shape and volume at _______________. 4th grade science lesson question under What are the states of matter section. Thanks!
science
i have a quesion about an experiment of Separating a Mixture of Nails, Salt, Sand, Oil and water. 1) what components did you separate from the mixture first?
Environmental science
What are some examples of innovations that help reduce, cope with, or profit from global warming?
Science
Give examples of how humans have increased their food supply and what effects these methods have on the environment overall.
Science
hello, we have got activity based question in school and it contains marks.. well here is the question Q1.if a person's wight is 355 N then that person would be (a)fat (b) normal (c) thin Thanks!
environmental science
which is the simplest of all atoms? OH- H+ H3O+ H
earth science
what glaciers no longer exist in alaska?
science
what is the outer layer of the hair shaft?
science
What is the smooth muscle causing goosebumps?
Science/Math
Can someone please have a moment to look at my other previous posts. Please take your time to look through them, thanks
Pyshical Science
50g of a substance has a volume if 100cm3. What is the density of the substance?
Science-Pendulum
I have to do a conclusion for this as well. It says Do Lock Step, what does that mean?
Science-Pendulum
The four parts in which I had to go through this investigation was: Part 1: Practice Part 2: Does mass affect the swing rate of a pendulum? Part 3:Does Arc length affect the swing rate of a pendulum? Part 4:Does Length affect the swing rate of a pendulum. It asks why was it ne...
science
Wiil ships float lower or higher in tropical waters? Thanks
science
compare digestion and respiration. how would unhealthy teeth or germs affect digestion. how are the digestive and circulatry system alike. explain how the heart and lung help each other provide oxtgen to the body.
science
what happens to the population of butterflies after a predator comes through? answer must include the words, gene and natural selection
science
How do i read a solubility curve to answer a question like: at what temp will 50g of potassium nitrate complete saturate 100cm3 of water
science
a. if i use 100N of force and move 3 meters, how much work is this? b. if it takes 90 seconds to get there, how much power did i exert?
8th grade science
What is a vertical section of the ocean from it's surface to the ocean floor called?
science
what happens to butterflies after a predator come through include the word gene and natural selection
environmental science
Hydronium ions are composed of OH- H+ H2O Which one
science
which would have a more difficult time maintaining body weight at a cooler tempertature a mouse on a diet including ptu and a mouse on a regular diet
Science
What is C19H14O5S (or phenol red) used for in our daily lives? thanks aShLeY
science
help me unscramble iritoncf
Environmental Science
My assignment requires choosing a terrestrial resource issue and creating a powerpoint presentation about it. I understand what I need to do but I'm not positive about what exactly a terrestrial resource is...for example, does habitat degradation/destruction count as one?
English
Thank you very much for your last corrections! Can you please check these other ten paragraphs for me? 1)One day a man in a sport car approached a bend at top speed. He lost control of the vehicle, which jumped over a fence and fell into the river below. 2)Two hours later, a p...
science
the question is.unequal heating and cooling in the atmosphere can result in a what.
Science
Could someone please check me previous before previous Science post, thanks
science
____Na + ___H2O give us __ NaOH+ ___ H2O this a chemistry;Balancing Chemical Equation H2O is water sorry because i don't know how to put 2 in bottom and explain me how you figuire it out
Science
It says: What variable(s) affect the swing rate of a pendulum? What variable(s) do not? Variables which affect the swing rate of a pendulum are wind, weight, height, gravity, and strength of string. I don't know the second part. maybe time?, distance? size? shape?
Science
Explain why every substance has a characteristic density, but no substance has a characteristic mass.
Meters
Vincent has cut three pieces of rope to complete a science project. Two pieces are of equal length. The third piece is one-quarter the length of each rope of the others. He cut the three pieces from a rope 54 meters long with any rope left over. Fine the answer of meters in ea...
Science
Pendulum question: What factors determine the swing rate of a pendulum? prediction: ? I don't get it, It says write a prediction about what factor(s) you think will affect the swing rate and how these factor(s) might affect the swing rate.
Science/History
On my previous post at 3.22pm (& 3.29pm) pm I asked what famous scientists did Isaac Newton work with. Unfortnately no-one has answered and I have been unable to find a website that tells me. I have come across Edmund Halley name linked to Newton's would he be a scientist ...
science
Am i correct saying that Isaac Newton studied at Trinity College, Cambridge and University of Cambridge, Royal Society and Royal Mint. Any help is appreciated. Many thanks.
science
I am doing a project on Isaac Newton and have to find info on born,died,study, famous scientists he worked with,apple and laws of motion. I have found all the answers except the famous scientists he worked with. I have been on lots of websites but I cannot find one which says ...
Science chemistry
give an example of a metal/alkali mixture that produces hydrogen more vigorously than a zinc/acid mixture.
science
why does first mosit litmus paper red and then make it lose colour?
Science chemistry
when carbon dioxide is passed into limewater, a white precipitate is formed. if carbon dioxide is passed continously into limewater, the white precipitate disappears. Explain why and give equations for the reactions.
Political Science
"A belief in equal rights has often led to the belief in equality of opportunity" and "American society does not emphasize equal results or equal rewards" Explain these conceptions of equality in 200 to 300 words. Include examples from text or current events.
Social Science
What does race and ethnicity mean?
Science
For science I have to create a safety poster about one safety rule. Are these ones good: *clean up after your mess. *Don't eat or drink in the science lab. *Wash your hands after experiments. *Never reach across a flame. *Listen to directions. More rules would be appreciat...
science
how did organic compounds get this name?
science
Explain why carbon can form so many organic compounds?
science
what drives the lithospheric plates
Science
What sequence of events could lead to magma becoming soil?
Science
What are some examples of speed and velocity? I'm trying to illustrate them for a project, but i don't know what to draw
science
a man is driving across a bridge with lots of cargo in the back of the truck but then the truck stops what should he do
Honors 7 grade science
2 ways that bacteria can change. (harmless to harmfull)
Science
Should humans strive to preserve a representative sample of all biomes or aquatic zones? Why should humans be concerned with the extinction rate?
science
what is the biggest animal alive today
science
What organ receives pancreatic juices? What organ absorbs water and what organ, in animals, helps digest cellulose?? Please help me!!
science
6. A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000 kernels on average. ...
science
an electric current can be generated by moving a wire coil in a magnetic?
science
Can anyone help me???? What affect do clouds have on humans beings??? It's for a science project
Science
How does having William's Syndrome have a impact on peoples daily life? I cant find anything on Williams syndrome. i found down syndrome but i dont want that. please help
Science
The normal recommended amount of Vitamin C is 1,000 milligrams (mg) per day for non-pregnant women. During pregnancy how much vitamin c does a pregnant woman need?
Science
What are some human's instinct? Is breathing air count as an instinct? If not what do it count as? since you can't stop breathing.
science
how to clean up a oil spill from water without getting any of the water out?
science
in gas chromatography, if the two peaks in chromatogram are too close, what changes in experimental conditions could make to separate them more effectively?
Environmental Science
are these correct? 29. A common feature of thermal pollution and artificial eutrophication is that they both a. ave sources that are idfficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and other industrial acti...
Physical science
How does the angle a rocket is launched at affect the distance it travels?
environment Science
Global perspectives on environmental health: Identify the 3 components of the environment,Briefly describ the major classess of pollutant in each category and their effect on health, Explain how sustainable development affects the environment.
science
How does the angle a rocket is launched at affect how far it travels?
science
Calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation. Any help is appreciatede.
science
RFLP analysis of some blood from a crime scene shows that the blood belongs to someone with genotype D1/D3, E2/E5, F5/F5, G1/G3. the frequencies of these genotypes in the Caucasian population are D1/D3 =0.01, E2/E5= 0.02, F5/F5= 0.001, G1/G3= 0.00001. What proportion of the Ca...
science
what is the process that plants use to make food
6th Grade Science
Explain the acceleration of falling objects.
6th Grade Science : Newtons First Law of Motion
Explain the idea of streamlining, as it applies to a skydiver.
science
RFLP analysis of some blood from a crime scene shows that the blood belongs to someone with genotype D1/D3, E2/E5, F5/F5, G1/G3. the frequencies of these genotypes in the Caucasian population are D1/D3 =0.01, E2/E5= 0.02, F5/F5= 0.001, G1/G3= 0.00001. What proportion of the Ca...
Earth Science
Tomorrow will be sunny with high clouds. What does this statement describe?
science
what is the immediate response of human body soon after a poisoning.what type of reactions take place?
6th Grade Science : Newton's First Law of Motion
Explain the idea of streamlining.\, as it applies to the skydiver. If you have the following textbook: Scott Foresman Science, 6th Grade good for you! Look on pages B102 - B105.
science
a baseball is pitched at 60 mph or 88 ft/sec. to a batter standing 60.5 ft away. How long does it take the ball to get to the batter?
science
a polar bear runs across the ice at an average velocity of 5.5 m/s. How far will she run in 3.5 minutes?
science
what is AIDS? what are the symptoms of AIDS?
Earth science
Please go over my answers and tell me what I got wrong... Telling me the correct answer would also be nice please hurry I only have 20 mins What does the principle of uniformitarianism tell us about the past? (Points: 5) The past is the key to the future. X The present is the...
6th grade science
what is a boundary between two air masses called
Science
Before 1937, all naturally occuring elements had been discovered, but no one had found any trace of element 43. Chemists were still able to predict the chemical properties of this element (now called technetium), which is widely used today for diagtnosing medical problems. How...
science
two common ways in which a glacier can cause ersion?
earth science
if you didnt know these cities were all cities of the United States, how could you tell from the temperature curves that they were all in the Northern Hemisphere?
Science
How can u predict if a bond will be ionic, covalent or polar covalent? i know that its the difference between electronegativities, but i cant seem to find the numbers it has to be between for each. I'm also getting confused because isnt covalent the same as polar covalent?
science
what does it mean for a system to be dynamic?
5th Grade Science
Okay here is my question: What is the best way to model how heavy rains and floods can change rocky land? Thank you
social science
o Provide a one-sentence description of typical precipitation and temperature for summer and winter
Earth Science
Which of the following help create volcanoes? plate tectonics landslides cracks in Earth's crust built up magma
science
What is a punnet square and how do you figure out questions regarding a punnet square
Science
Does anyone have a science fair idea that doesn't explodes because i will have to present in front of people and it can't be a volcano.
science
Vesicles that will tmnsport matedals out of the cell are fomed at the _??
Science
1)Newton's laws of motion are concerned with relationships among a) force, mass and motion b) Displacement, mass and acceleration c) Velocity, fore and acceleration d) mass, acceleration and velocity I feel that thay deal with force, mass and motion which is A, am I correc...
science
can someone please help me if your good at science:How does clouds form?
Science
What affect do clouds have on humans? I have a science project to do.
Environmental Science
29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and other industrial activity d. decrease t...
science
What is the meaning of cell structure because i can't find the meaning anywhere.
Science
1.I have two questions How many pairs of chromosomes does a human cell have? 2.How many total chromosomes does a human cell have?
Science
A volcano with basaltic magma would probably? A)erupt with a violent pyroclastic flow B)erupt with a gradual lava flow C)erupt with explosions of tephra D)not erupt at all, but remain in the E)magma chamber and cool i think its A
English
I was wondering if it was possible for you to read my essay and critique it and correct any grammar errors. I haven't written an essay in a long time, so it took me a while to come up with this. I read through my essay many times and I do hear that it doesn't flow easi...
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