b) Read carefully and fill in the blanks with the best word A, B, or C. Listen and check. Then, explain the words in bold. 1. The winds carry the polluted clouds across long distances, far 1) ... 2. When it rains, this pollution lands on trees, houses, buildings, cars, clothes, everywhere!!! This is called acid rain, 2) ... there is actually 'acid fog', 'snow' and 'sleet' in the same way! 3. Acid rain 3) ... causes serious damage to important buildings and objects. 4. ... industries have been using new technologies for some time to help make factory smoke less harmful to the environment. 5. We can help reduce the amount of acid rain by using 5) ... cars less or by using solar power to heat our homes.

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