Give reasons for the following:Mosquitoes can be controlled by preventing stagnation of water through they do not live in water.
Water-borne disease:
Give reasons why :
(a) Waste water should not be allowed to stagnate in puddles.
(b) Waste water from a factory should not be allowed to mix with drinking water.
(c) Rubber, plastic should not be burnt.
(d) The quantity and types of garbage generated have increased.
Mosquitoes can be controlled by preventing stagnation of water though they do not live in water. Why?