We sit in the room with windows open. Then

Why do the window panes break and fall out wards and the curtains over the open windows move out of the room and not into the room when strong winds blow along the sides of a building?

If we open a bottle of perfume, its smell spreads in the entire room with in a short time due to the process of

During summer if all the doors and windows are kept open and wet curtains are hung, the room remains moderately cool. Explain.

In severe cold weather, a family burnt wood in the room during the night by keeping the windows close. After sometime, they felt suffocated. They immediately opened the windows and got relief. What did actually happen ?