Question

Why it is not advisable to sleep in a closed room with a coal-fired fire place

Answer 1

Bcuz methane gas is produced & it is harmful for us

Answer 2

hey !!

answer

;-

coal contains CARBON.

we breathe oxygen to survive.

the whole of carbon percent will be more than oxygen.

then ,we cant survive and die due to lack of O2.

hope this helps !