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Watersheds

name: ______________________________
Horizontales
- materials or substances such as minerals, forests, water, and fertile land that occur in nature
long periods of low rainfall and very dry conditions
anything harmful or poisonous that is put into an environment
the movement of broken-down rock, soil, or sand from one place to another by running water or wind
Verticales
very small pieces of broken-down rocks
an area of land that catches rain and moves it downhill into a body of water
living things that do not naturally belong to an ecosystem
the force that attracts a body toward the center of the earth