Question

What the air pollution?

Answer 1

Answer:

Explanation:

Air pollution can be defined as the presence of toxic chemicals or compounds including those of biological origin in the air, at levels that pose a health risk. In an even broader sense, air pollution means the presence of chemicals or compounds in the air which are usually not present and which lower the quality of the air or cause detrimental changes to the quality of life

Answer 2

Answer:

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