1) This causes air pollution. What is it? a) traffic jam b) burning garbage c) factory 2) This causes air pollution. What is it? a) factory b) traffic jam c) burning garbage 3) This causes air pollution. What is it? a) burning garbage b) traffic jam c) factory 4) Which place has fresh air? a) beach b) city c) factory 5) Which place does not have polluted air? a) garden b) factory c) city 6) How can we reduce air pollution? a) burning garbage b) carpooling c) use plastic bags 7) How can we reduce air pollution? a) drive a car to 7/11 b) walk to 7/11 c) take an airplane to 7/11 8) Which picture is a renewable material? a) plastic bag b) fabric bag c) factory

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