Question

coal gas is poisonous because it contains options are CO2 and CH4,C2H4 and CO2,COandHCN,CH4 and C2H4

Answer 1

Answer:

coal gas is poisonous because it contains CO. (carbon monoxide, which is very poisonous gas).

I hope it would help you.

thank you.

please try to reduce the uses of fossil fuels....

_/\_