Cohesion is attraction between molecules in a substance. When the temperature increases the particles will begin the vibrate more and the attraction between them will decrease.
Yes it is an example of friction.Also a sled sliding across the snow or ice
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It is a sequence of chemicals reactions in which molecules are broken down in the presence of oxygen to generate energy.
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Yes, the body does get all the energy from the sun. The body obtains energy by consuming and digesting food that the plant or animal has been going through CR. When we eat animals that eat plants, the energy from CR transfers to the consumer
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