1) …............ is something that make air, water, and land dirty a) Natural resources b) Pollution 2) smoke from cars makes a) air pollution b) water pollution 3) throwing trash and oil in water causes a) air pollution b) water pollution 4) ................the water if you don't need a) turn off b) turn on 5) ....................the light if you leave your room a) turn off b) turn on 6) ...................can harm your lunge a) dirty air b) clean air 7) smoke from factories cause ............... pollution a) air b) water 8) dirty water can make people and animals ill a) true b) false 9) Trash that people don’t put in trash cans is called.......... a) litter b) candy 10) Litter can .....................plants and animals a) help b) harm 11) If animals eat litter, they may get................ a) sick b) healthy 12) if people cut trees , they will ................ natural resources. a) increase b) waste 13) if we cut the trees ,the animals ................... a) will be happy b) will lose their home 14) animals use trees for ................... a) home and food b) cloth and furniture 15) people waste our resources by ....................... a) planting trees b) cutting tree

pollution

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