Cycles of Matter

7. Where most of the water in the water cycle comes from.
8. The process in which plants make their own food and release oxgen into the atmosphere.
9. Soil bacteria that runes nitrates back into nitrogen gas.
11. The process in which plants and animals release their energy while producing carbon dioxide and water.
12. The cycle in which plants and animals exchange oxygen and carbon dioxide.

1. Things that absorb nitrates dissolved in water through their roots.
2. The cycle in which nitrogen is recycled.
3. The cycle in which water moves around Earth and the atmosphere.
4. Process that brings water down to Earth.
5. Process that moves water into the air.
6. Process where water vapor becomes liquid.
10. Things that eat plant proteins or they eat other animals that eat plant proteins. Their waste contains nitrogen compounds.