Pre-reading Activities: Listening Second listening: Listen to the tape again. Then, choose the best answer to each of the following questions. 3. A) Burning of fuels by cars and factories B)Alarge increase in the number of trees in some areas. C)Alarge decrease in the number of trees in some areas. D) Pollution in the earths rivers and streams.Second Listening: Listen to the tape again. Then, choose the best answer to each of the following questions. 3. A) Burning of fuels by cars and factories. B) A large increase in the number of trees in some areas. C) A large decrease in the number of trees in some areas. D) Pollution in the earth’s rivers and streams. Pre-reading Activities: Listening