Fill in each numbered blank with one suitable word. (10 p)
Environmental pollution is a term that refers to all the way by which man pollutes his surroundings. Man dirties the air (1) .............. gases and smoke, poisom the water with chemicals and other substances, and damages the soil with (2) ............. many fertilizers and pesticides. Man also pollutes his surroundings in various (3) ............. ways. For examples, people ruin natural beauty by scattering junk and litter (4).............. the land and in the water. They operate machines and motor vehicles (5) ............ fill the air with disturbing noise.
Environmental pollution is (6) ............... of the most serious problems facing mankind today. Air, water and soil are (7)............... to the survival of all living things. Badly polluted air can (8) .......... illness, and even death. Polluted wates kills fish and other marine life. Pollution of soil (9).......... the amount of land that g. is available for growing food. Environmental pollution (10) ................ brings the ugliness to man's naturally beautiful world.
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