watersheds

4. pollution too many microorganisms in water which can make you sick.
5. floating islands of trash, in the world right now.
8. a single, identifiable source of pollution.
10. Water from rainfall returns to the atmosphere
12. Area of land where all of the water that falls in it and drains off of it goes to a common outlet.
13. When rain falls on dry ground, some of the water soaks into (infiltrates) the soil.
14. saturated area below the water table
15. where the mouth of a freshwater river meets the ocean.
18. attraction of water molecules to other substances.
19. The root systems of plants absorb water from the surrounding soil in various amounts
20. pollution that can cause disease, death, and/or birth defects.

1. the erosion of soil into rivers and lakes.
2. attraction of water molecules to other water molecules.
3. too many nutrients in water which cause too much algae to grow.
6. Reservoirs store water and increase the amount of water that evaporates and infiltrates.
7. A ridge or hill that separate two watersheds
9. really small pieces of plastic.
11. that comes from many places all at once.
16. water that fills tiny gaps between soil and sediments underground.
17. cloudy water, which blocks sunlight.