Acid rain 1) Problem The problem starts here. Cars burn gasoline, factories and power plants burn coal and emit toxic fumes. Thus, the air that we breathe is polluted. 2) Acid rain pollution contamination is collected in the clouds with water and oxygen in the atmosphere, it becomes acid. Winds are polluted clouds over large distances, far 1) When there is rain, the pollution lands on trees, buildings, houses, cars, clothes, everywhere! It is called acid rain, 2) There are actually 'acid mist', 'snow' and 'rain and snow' in the same way! 3) Water and soil pollution When acid rain falls into lakes, streams, rivers and the sea, they become toxic. This is - water pollution, and it hurts, kills or destroys fish and plant species. When acid rain flows through the soil, it poisons the trees and plants. Acid rain 3) causes serious damage to important buildings and sites 4) Good news Good news - that the government tried to reduce the air pollution that causes acid dozhd.4) .. industries have used new technology for some time to help make the factory smoke less harmful to the environment. But we must do more! We can help reduce the amount of acid rain through 5) cars less or using solar energy to heat our homes.
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Нужно поставить предложения в отрицательную и вопросительную форму. 1)he always watches tv in the evening. 2)she is writing a letter in her bedroom. 3)he has gone to britain. 4)they signed a very important contract last week. 5)he was watching an interesting film yesterday at this time. 6)they will solve the price problem next week.
2. Is she writting a letter ... ? She is not writting a letter ... .
3. Has he gone to Britain ? He has not gone to Britain.
4. Did they sign a very ... ? They did not sign a very .
5. Was he watching an interesting ... ? He was not watching an ... .
6. Will they solve the price ... ? They will not solve the price ... .