Question

human - made freshwater lakes are built for flood control, irrigation, and hydroelectric power. which of these is another use for freshwater lakes?
mining (coal, oil, natural gas, precious metals)
recreation (swimming, skiing, boating, fishing)
waste disposal (sewage and household waste)

Explanation:

Freshwater lakes are commonly used for recreational activities. Mining is not a typical use as it's not related to the water - body nature. Waste disposal in freshwater lakes is harmful and not a proper use. Recreation is a valid and common use.

Answer:

B. recreation (swimming, skiing, boating, fishing)