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- 1. Multiple Choice
__________ is the ability of the biosphere to maintain balance indefinitely.
biogeochemical cycle
biodiversity
sustainability
- 2. Multiple Choice
Water vapor cools down in the atmosphere in a process called ______.
evaporation
transpiration
condensation
- 3. Fill in the Blank
Give one thing that happens to the water that falls back to the earth through rain or snow.
- 4. Multiple Choice
Humans get their nitrogen from
nitrogen in the atmosphere.
good bacteria in their intestines.
eating plants or animals.
- 5. Fill in the Blank
This is the conversion of inorganic nitrogen into organic nitrogen.
- 6. Multiple Choice
Plants use __________ and produce oxygen for other living things.
carbon
carbon dioxide
carbon-oxygen
- 7. Fill in the Blank
During a ___________, the inorganic nitrogen is converted by nitrogen-fixing bacteria into organic nitrogen.
- 8. Multiple Choice
Biogeochemical processes include only the biotic factors in the biosphere.
True
False
- 9. Multiple Choice
Carbon in the atmosphere is produced only by volcanic eruption, combustion of fuel, animals and humans.
True
False
- 10. Fill in the Blank
This is the pathway of matter in the biosphere and geosphere in a chemical level.
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