Why Is Pollution a Problem?
Pollution is a problem because man, in an increasingly populated and industrialized world, is upsetting the environment in which he lives. M
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Pollution
What Is Global Warming?
Global Warming is the increase of Earth’s average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions fr
What Is Acid Rain?
Acid rain is created when rain mixes with pollution in the air. Pollution fills the air with an invisible gas called sulfur dioxide. (This g