Biology

5. Process of breaking down nitrogen containing chemicals from dead organic matter
9. way water moves between being water vapour to liquid water then back to water vapour
10. Natural or industrial process that causes free nitrogen
13. action of clearing a wide area of trees
15. way oxygen moves in arious forms through nature
16. process that occurs when gases in Earth's atmosphere trap the Sun's heat
18. gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants
20. second layer of the atmosphere as you go upward
21. the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition
23. envelope of gases surrounding the earth or another planet
24. Process of breathing
25. process of burning something

1. Another word for rain
2. layer in the earth's stratosphere at an altitude of about 10 km (6.2 miles) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun
3. state or process of rotting
4. gradual process that occurs when the impact of water or wind detaches and removes soil particles, causing the soil to deteriorate
6. oxidation of ammonium salts to nitrites
7. type of biogeochemical cycle in which the reservoir is the air or the oceans (via evaporation)
8. biogeochemical cycle where various carbon compounds are interchanged among the various layers of the earth, namely, the biosphere, geosphere, pedosphere, hydrosphere and atmosphere
11. Process used by plants to make energy in form of sugar
12. Exhalation of water vapour through stomata
14. loss of nitrogen from soil
17. process of Formation of water vapours by heating
19. A cycle which comprises the weathering of an existing rock, followed by the erosion of minerals, their transport and deposition, then burial
22. Conversion of vapour or gas to liquid