Question 7 of 10
A double-paned window has two glass panes separated by a layer of air. Why
is air, rather than glass, used to fill this space?
A. The convection of heat is slowed by the air.
B. The radiation of heat is increased by the air.
OC. The convection of heat is increased by the air.
OD. The conduction of heat is slowed by the air.