Question

Gas mask is usually used for breathing in coal mine because it contains activated charcoal

Answer 1

Answer:

why are gas mask used in coal mines?

Explanation:

Answer 2

Answer:

Gas masks are used in coal mines because it is made of charcoal and this would reduce the coal mine dust produced reaching the coal miners. while mining.

Charcoal is a good absbrober of dust and dust particles.

This would reduce the risk of any breathing diseases for the coal miners.

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