1) What is deforestation? a) The cutting down of tress. b) The introduction of harmful materials into the environment. c) The movement of population into cities and away from farmland areas. d) Changes which are created by humans and it does not occur naturally. 2) What is climate change? a) The cutting down of tress. b) The introduction of harmful materials into the environment. c) The movement of population into cities and away from farmland areas. d) The change in the weather over a long period of time. 3) What is pollution? a) The cutting down of tress. b) The introduction of harmful materials into the environment. c) The movement of population into cities and away from farmland areas. d) Changes which are created by humans and it does not occur naturally.

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