A- LISTENING: (2ps) Part 1. Listen to the passage and tick (✔) true (T) or false (F) to the statements. (1 pt) 1.Non-renewable sources are being used up. 2.Many poor people in developing countries have little electricity. 3.Biogas is a new source of energy available for poor people. 4.Biogas creates a lot of smoke. 1…………... 2…………... 3…………... 4…………… Part 2. Listen and fill in the blanks with the correct words, number them. (1 pt) increase cooking and heating mountainous air pollution 1. People in …………… areas have to gather wood to use as fuel. 2. Biogas is mainly used for…………….. . 3. Biogas helps solve the problem of indoor……………………….. . 4. The use of renewable energy sources in developing countries is on the ……………..

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