Answer:
Pesticides should be used in accurate concentration as
they are very harmful to environment. Pesticides one non-biodegradable and can
be accumulated in the trophic level. The environmental impact of pesticides consists
of the effects of pesticides on non-target species. Over 98% of sprayed
insecticides and 95% of herbicides reach a destination other than their target
species, because they are sprayed or spread across entire agricultural fields.
Runoff can carry pesticides into aquatic environments
while wind can carry them to other fields, grazing areas, human settlements and
undeveloped areas, potentially affecting other species. Other problems emerge
from poor production, transport and storage practices.
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