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Ecology Study of plants and living things in relation to their environment. Environment All the surrounding of an organism, including other living things, climate, air, water and soil. Acid rain When harmful gases from cars and factories released into the air fall back to the Earth with rain or snow
Listening Comprehension A. I eat little and rather irregularly. B.i am trying to get used to everyday healthy activities C. I feel unable to stop myself from eating D. I am afraid of having the same health problems as my relatives do E. I am willing to return to a healthy lifestyle despite being tired F. I am sure that I exercise enough while carrying out my everyday duties G. I feel now like starting a healthy life again ”
Air pollution. Air pollution is a very serious problem, because polluted air can cause illness and even death. Every year world industry pollutes the atmosphere with about 1500 million tons of dust and other harmful substances. Many cities suffer from smog, the oxygen balance upsets. Cars are polluting the air by exhaust gases and other dangerous chemicals.
Water pollution Water recourses is one of the main factor of existing life in our planet. People use fresh water for their needs. It is more than 2% of hydrosphere volume. First of all water pollution is the result of industrial, agricultural and everyday necessities discharge of wastes into rivers, lakes and seas. The main part of water pollution plays a large number of oil industry wastes.
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