1) How many types of pollution are there? a) 5 b) 3 c) 4 d) 6 2) What are the 4 types of pollution? a) Fire, Land, Water and Air. b) Air, Water, Land and Noise. c) Ice, Land, Noise and Water. d) Air, Water, Land and Heat.  3) The contamination of the environment caused by any physical, chemical or biological substances that change the original characteristics of the atmosphere is called... a) Air pollution. b) Water pollution. c) Land pollution. d) Noise pollution. 4) Mining activities cause... a) Air pollution. b) Water pollution. c) Land pollution. d) Noise pollution.

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