Вопрос № 1056171 - Экология

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Sanctions are a form of reaction to illegal actions of another party. There are sanctions against dumping, for example. Dumping means shipping large amounts of a product to another country at prices below the cost of production or below the selling price.

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Gainsborough is 1_______ for his brilliant sense of composition, harmony and form. In the foreground of his picture “The Morning Walk” you can see a pretty slim young woman of about 25 and his elegant young man. The woman has a very 2_______ long dress on, her face is attractive. She has dreamy blue eyes, and thick 3_______ curly hair. As for the man, he is tall and handsome. The features of his face are pleasant and expressive. His eyes are dark, his look is proud. His mouth is rather large, his nose is straight. I am sure that the young people are happy because they are young, they are in love, because the day is 4_______, and life is beautiful. It is an idyllic scene in a romantic landscape. Thanks to the soft colour treatment the picture has a lyrical and poetic atmosphere.

In accordance with the Law of Tolerance the organism's success is limited by ______as well as ______ of the environmental impact.

Match sewage purification plant and sewage purification method

1. aerotank


2. mud trap

3. reactor-ozonator plant

Rural population  tend cattle and small ruminants  close to zinc-lead enterprise. In the grazing land there is high concentration of lead (Pb). In ground waters (mine wells) the average concentration of lead reaches 0,6 mg/l. The concentration of lead (Pb) content in meat is 2 mg/kg,  in milk it is 0,3 mg/l, in bread – 0,6 mg/kg, in potatoes – 1 mg/kg. Person’s daily requirement for products is as follows: drinking water – 2 l, meat – 0,1 kg, milk – 0,8 l, bread – 0,1 kg, potatoes – 0,3 kg. Admissible  daily lead (Pb) intake  recommended by World Health Organization equals 0,43 mg. Actual lead (Pb) daily intake coming with water and food is ______ mg. (Give your answer as a whole number.)

Ecological functions of forests are as follows …