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Слайды и текст этой презентации

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Khrystyna Salo Khrystyna Salo

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Air pollution Air pollution Water pollution Urban sprawl Acid rain The Greenhouse Effect The Ozone layer

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A place where rubbish is left. A place where rubbish is left. The rubbish dump on the outskirts of town is an eyesore.

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Gas mask : Gas mask : a protective mask used to cover a person's face as a defense against poisonous gas.

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Acid rain Acid rain rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which contain sulfur and nitrogen oxides, which combine with atmospheric water to form acids.

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Greenhouse effect Greenhouse effect the trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.

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Ozone layer Ozone layer a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.