Biogeochemical Cycle

Test Description: Carbon and nitrogen cycle global carbon cycle the sun and geothermal energy

Instructions: Answer all questions to get your test result.

1) The burning of fossil fuels has the greatest and most direct impact on the

2) Carbon is used to make sugars in which step of the carbon cycle?

3) Carbon is removed from the atmosphere through what process?

4) Where is carbon stored in the largest amounts on Earth?

5) Which is the possible path of the movements of nitrogen in the nitrogen cycle?

6) What are the primary sources of energy that drive the movement of matter among reservoirs?

7) Of these, which force is most directly responsible for creation of fossil fuels?

8) Movement of carbon from geosphere to the atmosphere can be accomplished by

9) In which reservoir is dissolved carbon dioxide abundant?

10) Most carbonates held in the geosphere take which form?


*select an answer for all questions

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