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Answer:

When rainfall is less than normal for a period of weeks to years, streamflows decline, water levels in lakes and reservoirs fall, and the depth to water in wells increases. If dry weather persists and water-supply problems develop, the dry period can become a drought

Drought can be caused when there is less rainfall than normal in an area. It causes the streamflow to reduce and the water level to fall.

What is a Drought?

A drought is a period of time when an area or region experiences below-normal precipitation. During this period, the area experiences a shortage of water supply and even rainfall making everywhere dry.

When an area experiences drought, it could cause the water levels and reservoir to fall and the depth of water in the well to increase. If such dry weather condition persists, it could lead to drought.

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