One of the control measures of mosquito is to spray paraffin oil into the pool of water having it's larva. Explain how oil kills the mosquito larva.
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Explanation:
The thin layer of oil on top of the water prevents mosquito breeding in two ways: mosquito larvae in the water cannot penetrate the oil film with their breathing tube, and so drown and die; also adult mosquitoes do not lay eggs on the oiled water.
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