AnswersNC-Earth Environmental Science LBThe Cycles of Matter

The Cycles of Matter Answers

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1
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What is a biogeochemical cycle?

A
a process by which bacteria convert nitrates into nitrogen gas
B
a process that converts light energy into chemical energy
C
a process by which water enters the atmosphere by evaporating from the leaves of plants
D
a process that recycles elements and other matter through the biosphere
2
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The ✔ watercarbonnitrogenphosphorus cycle is not a nutrient cycle.

A
✔ water
B
carbon
C
nitrogen
D
phosphorus
3

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Answers:
A key component in the formation of organic compounds, such as nucleic acids and ATP:phosphorus
Most abundant gas in the atmosphere; plants absorb it from bacteria in the soil:nitrogen
In every living thing; plants utilize it when they perform photosynthesis:carbon
4

carbon✔ nitrogenphosphorus Most abundant gas in the atmosphere; plants absorb it from bacteria in the soil

A
carbon
B
✔ nitrogen
C
phosphorus
5

✔ carbonnitrogenphosphorus In every living thing; plants utilize it when they perform photosynthesis

A
✔ carbon
B
nitrogen
C
phosphorus

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