Options: A. harmful substances. B. weathering of soil. C. saving water. D. planting trees. E. deforestation. F. massive damage. G. recycling. H. enormous damage to homes.

Fact 1: Erosion of soil has a negative impact on the environment. Fact 2: Weathering and erosion continue to shape it today. Given the two facts above, what has a negative impact on the environment?
Answer:
B.