What benefits and problems are produced by wind and water?

It's a clean fuel source.

Wind energy doesn't pollute the air like power plants that rely on combustion of fossil fuels, such as coal or natural gas, which emit particulate matter, nitrogen oxides, and sulfur dioxide—causing human health problems and economic damages.

Explanation:

the answers are excess supply, and fall

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keeping a cash reserve because cash flow is the the movement of money through a company and if it just sits there, it wont the movement