5. Water pollution mean
the harmful changes in
the natural balance of
physical, chemical and
organic characteristics
of water.
6.
7.
8. *Using pure water
resources to wash
clothes, cattle and vehicles.
* Excessive use of
fertilizers and pesticides.
* Industrial waste.
* Solid waste.
THE CAUSESS OF WATER POLLUTION
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HOW CAN PREVENT
WATER POLLUTION
*Wells and ponds must
keep very cleanly.
*Don’t throw waste in
outside.
*Use of plastic materials
must be reduced.
*Conduct social awareness
classes.
