Environmental pollution is a term that refers to all the ways by which man pollutes his surroundings . Man dirties the air with gases and smokes , poisons the water with chemicals and other substances , and damages the soil with too many fertilizers and pesticides . Man also pollutes his surroundings in various other ways . For example , people ruin natural beauty by scattering junk and litter on the land and in the water . They operate machines and motor vehicles that fill the air with disturbing noise . Environmental pollution is one of the most serious problems facing mankind today . Air , water , and soil are necessary to the survival of all living things . Badly polluted air can cause illness , and even death . Polluted water kills fish and other marine life . Pollution of the soil reduces the amount of land that is available for growing food . Environmental pollution also brings ugliness to man’s naturally beautiful world .
46. What makes the air polluted ?
47. In what way do people poison the water ?
48. How does man damage the soil ?
49. In what way do people ruin natural beauty ?
50. According to the text , what is one of the serious problems facing mankind today ?
46.Humans contaminate the air with tobacco smoke and gas that pollute the air.
47.Poison water with chemicals and other substances, and damage the soil with too many fertilizers and pesticides.
48.Damages the soil with too many fertilizers and pesticides.
49.In the water.
50.Environmental pollution is a term that refers to all the ways by which man pollutes his surroundings .