We can use renewable sources
The region where warm and cold air masses meet is called a front
Answer:
nine times as much.
Explanation:
K.E of A = 9 times K.E of B
The piece of paper has less mass and will glide down the window, whereas the textbook will go straight to the ground. Since the textbook has more mass and less ways of it being able to 'glide' the textbook will hit the ground first.