Two samples of carbon come into contact. heat will transfer from sample a to sample b if the average kinetic energy of sample a's atoms is the average kinetic energy of sample b's atoms.

Explanation:

When two substances of different temperature are in contact with each other then heat will flow from hot object to cold object until a thermal equilibrium is maintained between them.

Kinetic energy is the energy obtained due to the motion of an object is known as kinetic energy. Total kinetic energy of all the particles present in a system is known as average kinetic energy.

Thus, we can conclude that when two samples of carbon come into contact. Heat will transfer from Sample A to Sample B if the average kinetic energy of Sample A's atoms is greater than the average kinetic energy of Sample B's atoms.

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plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.