Answer :
Final answer:
Soil erosion in the United States is occurring approximately 30-40 times faster than natural replenishment, posing significant threats to agriculture and ecosystems.
Explanation:
Soil erosion is a critical issue globally, with approximately 75 billion tons of soil eroded annually at rates 13-40 times faster than the natural rate of soil formation. In the United States, the topsoil is being lost at alarming rates, with about 30-40 times faster erosion compared to natural replenishment. This loss of productive soil can have severe consequences on agriculture, ecosystems, and human well-being.
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