The metal heats faster than the water because it requires less energy to heat it up (it has a lower heat capacity). 4. Why do you think different substances heat up and cool down at different rates? ... Water has a very high potential energy due the intermolecular forces between the polar water molecules.
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Any change in the level of a limiting factor will affect the rate of reaction. If the level is too low or too high, the rate of photosynthesis declines rapidly.
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The 200kg
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Because 400kg is more weight and the 200kg would be much easier to push
About 2.5 % I think maybe if your talking about fresh water
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Im sorry... What is the question? Ill edit my answer
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