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Biogeochemical Cycles
By Heidi Cooley
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Last updated over 3 years ago
5 questions
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Question 1
1.
What organism plays a major role in the nitrogen cycle?
Bacteria
Fungi
Plants
Animals
Question 2
2.
What is the most abundant gas in our atmosphere?
Oxygen
Nitrogen
Carbon Dioxide
Water Vapor
Question 3
3.
Which of these is NOT a source of carbon?
Fossil Fuels
Carbonate Rocks
Carbon Dioxide
Fertilizer
Question 4
4.
As time goes by, the water goes through the water cycle again and again. The amount of water on Earth…
Increases
Stays the same
Decreases
Goes up and down
Question 5
5.
What do biogeochemical cycles represent?
How energy moves through organisms
How nutrients move through the environment and are continually used and recycled
How the earth has changed over time
How molecules destroy the environment