How can insulating your home prevent air pollution?

a. Insulation blocks out harmful gases and smog

b. Insulation prevents your furnace from releasing harmful gases into the atmosphere

c. Insulation reduces the amount of energy you need to burn to heat and cool your house

d. Insulation collects solar energy, a non-polluting form of energy

The answer would be A.

Insulation blocks out harmful gases and smog.

Explanation:

If you insulate your home than there would be no passage left for harmful gases to come in!

Hope it helps!

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.