waste water management and to control water pollution
PLZŹZZZZZZZZZZ HELP ME THIS IS MY SCIENCE PROJECT
I HAVE TO COMPLETE THIS
PLZŹZZZZZZZZZZ HELP ME THIS IS MY SCIENCE PROJECT
I HAVE TO COMPLETE THIS
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when you wash vegetables than the waste water throw in your graden and save rain water for bathroom use.
to control water pollution,we could not throw grabage in river and stop the chemical factors