Question

42. Drought occurs when rainfall is less than a) 25-35% of rain fall (b) 25-50% of rain fall (c) 35-45% of rain fall (d) 35-50% of rain fall​

Answer 1

Answer:

Option number: a 25-30%

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Answer 2

Concept Introduction:

Water supply issues and dry weather are two causes of drought. Precipitation amounts in a specific area fluctuate from year to year, but the average amount remains relatively the same over several years.

Explanation:

We have been given in a multiple-choice question.

We have to find the correct option.

According to the problem,

Due to long-term average rainfall deficit, normal meteorological droughts average 25% or less, moderate droughts average 26-50%, and severe droughts exceed 50%. There may be a lack of water for normal and specific needs due to deficiencies in surface and subsurface water supplies.

Final Answer:

Drought occurs when rainfall is less than a) 25-35% of rainfall.