Question

In extremely cold weather, a family burnt coal in the room during night keeping doors and window closed. after sometimes they felt suffocated. they immediately opened the doors and the windows and got relief. explain what did actually happen?

Answer 1

Burning coal while keeping the doors and windows closed led to all of the carbon dioxide trapped inside the house with no opening to escape through.It led to suffocation of the inhabitants and could have been threatening if they would not have opened the doors and windows immediately.