Overgrazing and poor land management lead to severe desertification in arid grasslands. Beyond losing plant life, how does this directly accelerate global climate change?

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A Dry sand reflects less heat than green vegetation.
B The exposed soil releases massive amounts of historically trapped organic carbon into the atmosphere.
C Desertification speeds up the Earth's magnetic rotation.
D The lack of plants prevents toxic volcanic gasses from escaping the ground.

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Answer: B. The exposed soil releases massive amounts of historically trapped organic carbon into the atmosphere.

Correct Answer: B
Explanation: Soil is one of Earth's largest carbon storehouses; when land degrades and turns to desert, that organic matter decomposes or erodes, releasing carbon dioxide into the air.

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Overgrazing and poor land management lead to severe desertification in arid grasslands. Beyond losing plant life, how does this directly accelerate global climate change?

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