Question

what are the main causes of droughts and floods?in short ​

Answer 1

Answer:

Droughts occur when an abnormally long dry period uses up available water resources. Floods happen when watercourses or rain swallow up land that is usually uncovered. These natural disasters are often made worse by human action. ... As it builds up on the surface, the water ends up causing widespread damage.

Explanation:

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Answer 2

Causes of droughts :-

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.

Causes of floods :-

• Massive Rainfall.
• Overflowing of the rivers.
• Collapsed Dams.
• Snowmelt.
• Deforestation.
• Climate change.
• Emission of Greenhouse Gases.
• Other Factors.