Can u give me a written speech on air pollution?
I wanna speech which would be enough for 4 minutes.
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air pollution as “the presence in air of substances put there by acts of man in concentrations sufficient to interfere with the comfort, safety, or health of man or with the full use or enjoyment of his property. The presence of contaminants in the atmosphere is considered to be in sufficient quantities and duration, to cause them to be injurious to human health, animal and plant life and reduce welfare in general
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