1) what is it a) deforestation b) global warming c) air pollution 2) what is it a) ozone layer depletion b) air pollution c) water pollution 3) what is it a) water pollution b) land pollution c) overpopulation 4) what is it a) land pollution b) deforestation c) global warming 5) what is it a) water pollution b) waste disposal c) deforestation 6) what is it a) air pollution b) overpopulation c) global warming 7) what is it a) volcano b) earthquake c) acid rain 8) what is it a) tzunami b) earthquake c) climate change 9) what is it a) greenhouse effect b) volcano c) drought 10) what is it a) rubbish b) climate c) acid rain

``Ecological Problems``

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