1) Which is biodegradable? a) plastic bag b) paper bag 2) Is a plastic pen biodegradable? a) Yes, it is. b) No, it isn't. 3) Is a cardboard box biodegradable? a) Yes, it is. b) No, it isn't 4) Is a newspaper biodegradable? a) Yes, it is. b) No, it isn't. 5) Are these pots biodegradables? a) Yes, they are. b) No, they aren't 6) Are these cups biodegradable? a) Yes, they are b) No, they aren't 7) About fumigation... a) Natural cause b) Human activities 8) Insect killer... a) Human activities b) Natural cause 9) Sand storms a) Natural cause b) Human activities 10) Emissions of factories a) Natural cause b) Human activities 11) Pollen a) Natural cause b) Human activities 12) What is one way to help with land pollution a) Recycle b) Burn garbage 13) Factory fumes belongs to a) Air pollution b) Land pollution c) Water pollution 14) Vehicle fumes belongs to a) Water pollution b) Air pollution c) Land pollution 15) Oil spill belongs to a) Air pollution b) Water pollution c) Land pollution 16) Litter belongs to a) Land pollution b) Air pollution c) Water pollution 17) Which are real types of pollution? a) Noise pollution b) Dance pollution c) Light pollution

Pollution

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