pre draft

                              water pollution


1-what is the importance of water sources?

2-what is water pollution?

3-what are the types of water pollution?

       a-surface waters.

       b-Groundwater.

4-How do we know when water is polluted?

by two ways:

           a-biological indicators.

           b-chemical indicators.

5-what are the causes of water pollution?

    a-Heavy Metal Water Pollution.

    b- Agricultural Water Pollution.

    c-Fertilizers and other chemicals.

    d- Oil Pollution and Antifreeze.

    e- Industry Waste.

    f-Vehicle Emissions.

6-what are the effects of water pollution?

  a-The spread of diseases.

  b-The death of Marine animals.

 d-Effects on food chain.

 e-Effects on the chemistry of water.

7-what are the solution of water pollution?

  a-Awareness through media.

  b-Impose strict laws .

  c-Impose financial and punitive penalties.