Question

what is dehydration.
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Answer 1

Answer:

dangerous loss of body fluid caused by illness, sweating or inadequate intake.

COMMON CAUSES

Dehydration can have causes that aren't due to underlying disease. Examples include heat, excessive activity, insufficient fluid consumption, excessive sweating or medication side effects.

Answer 2

Answer:

when in our body their will be less amount of water that causes the dehydration

THIS IS AS PER SCIENCE IN EASY WAY