Biogeochemical Puzzle

2. Plants absorb phosphorus from soil.
4. Air, the stuff we need to live.
6. Biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of Earth.
8. Biogeochemical cycle that nitrogen is converted into multiple forms as it circulates among atmospheric, terrestrial, and aquatic ecosystems.
10. Any body of water above ground.
12. Water vapor condenses when it's cooled.
15. The process during which the nitrogen compound is released back into the atmosphere by converting nitrate into gas nitrogen.
16. Solid to gas without becoming liquid.
17. Makes up 78% of the atmosphere by volume, etc.

1. Simplest element.
3. Water that exists underground.
5. Biogeochemical cycle that involves the continuous movement of water on, above and below the surface of the Earth.
7. Element in life.(Seen everyday in daily life.)
9. Bodies of water are heated by the Sun's energy, it then evaporates.
11. Process of water movement through a plant.
13. Process of turning ammonium ions into nitrites and nitrates.
14. Water falls from the sky.