Pollution is a very real problem. It's in the air, the water, on land-and even in outer space. Acid rain caused by pollution is killing trees and poisoning bodies of...
Pollution is a very real problem. It's in the air, the water, on land-and even in outer space. Acid rain caused by pollution is killing trees and poisoning bodies of water. Oil spills threaten animal habitats all over the world. The Pacific Ocean ......
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