biogeochemical cycle

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Carbon is removed from the atmosphere through what process?

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

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

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

In which reservoir is dissolved carbon dioxide abundant?

Most carbonates held in the geosphere take which form?

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

Where is carbon stored in the largest amounts on Earth?