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what is air pollution? |
The Earth is surrounded by a blanket of air (made up of various gases) called the atmosphere. The atmosphere helps protect the Earth and allow life to exist. Without it, we would be burned by the intense heat of the sun during the day or frozen by the very low temperatures at night. Anything additional gas, particles or odors that are introduced into the air (either by nature or human activity) to destroy this natural balance can be called air pollution. |