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Cycles in Nature

Lessons 1 & 2

nitrogen gas is fixed (changed) into forms of nitrogen that plants can use nitrogen cycle
carbon and oxygen move among plants, animals, and the environment carbon-oxygen cycle
the process that releases energy from food respiration
water moving through the environment water cycle
the process in which heat changes water on Earth's surface into water vapor evaporation
the process in which water vapor changes back into liquid water condensation
any form of water that falls from clouds precipitation
the process in which plants and animals put water back into the environment transpiration
Created by: Goddard