Question

which are the following in the natural sources of air pollution
A. Smoke from factories
B. pollution from automobile
C.wood for fuel
D. volcanic eruption
​

Answer 1

Answer:

smoke from factories

and

volcanic eruption

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Answer 2

Volcanic eruptions are the natural sources of air pollution.

we can define air pollution from natural resources as pollution which is not man-made and is occurred naturally by the force of nature and, volcanic eruptions occur due to the force of nature.

On the other hand, smoke from factories, pollution from automobiles, and burning wood for fuel are all sources of man-made air pollution.