Question

when does a drought occur
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Answer 1

Answer:

Droughts happen when there is not enough rain for a long period of time. It's not like a dry spell - there is so little precipitation (rain, snow, sleet or any kind of moisture) that a whole region starts to dry out.

Answer 2

Answer:

When an area receive less or no rainfall drought occur. In which soil lost its moisture and is not fertile for the growth of plant.