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Question
Give reason for the following.
Mosquitoes can be controlled by preventing stagnation of water though they do not live in water. Why?
Solution
Though mosquitoes, live on land, water is their breeding ground their larvae grow in water. Water stagnation is collecting of water in a small area, without any activity. Mosquitoes lay egg on such a surface.
If water stagnation is prevented, their larvae cannot survive, thus reducing mosquito population.
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