*CHEMISTRY* *WILL GIVE BRAINEST*

Air will expand about the same amount as propane with the same change in temperature over ordinary temperature ranges.
O True
O False

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

let that person have a turn to speak : )

the correct answer would be b. amelia, because the particals of gas move really fast (charged particals) and gas also has a lot of room (particals move independently) so the only answer that has both of those is amelia's.