It's a hot sunny day and you decide to go for a drive. When you open your car door, it's a lot hotter inside than outside. Why is that?
A).Air pollutants entering the car make the inside warmer.
B).A greenhouse effect—heat was let in through the windows and some was trapped inside.
C).Global warming—it's getting hotter everywhere you turn.
D).The hole in the ozone layer has caused higher temperatures.