Question

how does cleaning tank ,cooler and pits prevent malaria​

Answer 1

Answer:

Cleaning of tank, cooler and pits prevent malaria because these places have stagnant water which becomes the breeding ground for mosquitoes.

Answer 2

Answer:

Cleaning tanks destroys the breeding places of mosquitoes (stagnant water).

Explanation:

Cleaning of tank, cooler and pits prevent malaria because these places have stagnant water which becomes the breeding ground for mosquitoes.

That way, mosquitoes won't be able to multiply in number and spread malaria.

Hope it helps

Thanks!