Answer the following questions briefly.
(a) Mosquitoes grow in stagnant water. They spread diseases like malaria, dengue an
chikungunya. Suggest three steps to stop their growth. [Open-ended question]
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add kerosene in the stagant water will will form a layer and will stop the growth of the mosquitoes
adding bleach which would kill all the larvae of the mosquitoes
avoiding of water collection which be a sight of the mosquitoes for their breeding
makes sure your cooler or air conditioner doesn't contain water !
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