posted by Caitlyn PLEASE DUE TOM. .
okay a couple.
Air Masses move from ________ (rain,winds)
A _______ front moves back and forth over the same area. (warm,statinary)
At ________ fronts, warmer air gradually rises above cooler air.(warm,cold)
winds move air.
stationary fronts do not change much.
cold fronts move cold air, low to the ground. Warm humid air rises over, and rain (or snow or sleet) forms.