the process in which matter changes state from gas to liquid

the slow changing of a liquid into a gas

Any form of water particles that falls from the atmosphere and reaches the ground.

the loss of water through a plant’s leaves. 

The food-making process in green plants that uses sunlight. 

breathing in oxygen and breathing out carbon dioxide

warming of Earth's surface and the air above it. It is caused by gases in the air that trap energy from the sun.

This is the process by which ammonium gets changed into nitrates by bacteria. Nitrates are what the plants can then absorb.

Nitrogen gas is fixed, or changed into forms of nitrogen that plants can use. These forms are nitrates or ammonia.

An organism that makes its own food. (plants)

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