1) The damage caused by pollution might be irreversible a) True b) False 2) The ecosistem a) can always cope with pollutants b) may not always be able to cope with pollution. 3) Pollution a) is always caused by humans. b) may sometimes be caused by natural disasters. 4) An ideal solution to prevent pollution would be to a) refrain the development of some countries. b) continue developmental projects. c) take into consideration the future generations need to live in a healthy environment.

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