What is the main purpose of wetlands?
What is the main purpose of wetlands?
A. Produce freshwater
B. Prevent flooding
C. Increase soil erosion
D. Reduce air pollution
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Answer: B. Prevent flooding
Explanation: Wetlands act as natural sponges that trap and slowly release surface water, rain, snowmelt, groundwater, and floodwaters. They reduce the severity and frequency of floods by absorbing excess water.