how is a warm front different than a cold front?
A. A warm front moves quickly, and a cold front moves slowly.
B. In a warm front, the warm air gently rises above the cold air, and in a cold front, the warm air is pushed quickly up.
C. In a warm front, it is rainy, and in a cold front, it is clear.
D. In a warm front, the warm weather pushes cold air up, and in a cold front, the cold air pushes the warm air up.