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Across 4. This can leak from your car and wash into streams. 5. Rain that washes over land and drains into bodies of water. 6. Cars drive along and park on these paved areas. 7. Surrounding land that drains rain and snow into a body of water.

Down 1. Places where crops grow and animals are raised. 2. Making observations and taking and testing water samples. 3. A body of running water. 8. Wrappers, cans and bottles people drop carelessly on the ground.