Page 18 - Pollution
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Causes of Water Pollution
Some sources of water pollution are sewage,
fertilizers, pesticides, Industrial waste and oil
spills.
Sewage
It is the waste and used
water from homes and
factories carried through
drains and pipes. It is
impure and dirty water.
Much of the sewage is
released into rivers and
seas. It is unsafe for
humans and marine
organisms as well. This
toxic water can cause
health problems and
diseases in animals and
human beings.
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