1) Pollution happens when harmful things are removed from the environment. a) True. b) False. 2) Water, land, and air are not affected by pollution. a) True. b) False. 3) Water pollution happens when harmful things are added to rivers and oceans. a) True. b) False. 4) Land pollution happens when people drop litter or waste. a) True. b) False. 5) Air pollution is caused by burning trash, and smoke from cars and factories. a) True. b) False. 6) It is impossible to reduce pollution. a) True. b) False.

environment - listening

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