What are the main processes of the water cycle?

What process removes carbon dioxide from the atmosphere?

How does carbon dioxide get released into the atmosphere?

Which element is the most abundant in the atmosphere, but it has to be

What has to happen to nitrogen before it can be

The erosion of rocks causes the release of what element?

Fertilizers are rich in which two elements?

The burning of fossil fuels is known as what?

How do humans alter the carbon cycle?

How does deforestation affect the carbon cycle?

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