Результаты (
английский) 1:
[копия]Скопировано!
mechanisms in the home and in other activities.1) People have always polluted by their surroundings. But until now pollution was not such a serious problem. People lived in rural areas and uncrowned did not have pollution-causing machines. With the development of crowded industrial cities which put huge amounts of pollutants into small areas, the problem has become more important.2) This is harmful to the environment and, above all, the atmosphere. Since the cars in large numbers are concentrated in large cities, the air in the metropolitan areas, deprived of oxygen and combustion products contaminated with petroleum products. Such air is harmful to human health, because of the effects of disturbed ecological environment, changing natural and climatic conditions. It is also well known that air from these harmful products also fall into the water, and thus contaminated, and the aqueous medium.Air, water, and soil are necessary for existence of all living things. However, polluted air can cause many diseases. Polluted water kills fish and animals. On the contaminated soil can not be cultivated crop plants. In addition to the environmental pollution spoils the natural beauty of our planet. It should be a variety of methods to try to reduce this effect, at least to a level that will not interfere with the normal functioning of the human body and will not disrupt ecological systems.
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