I would say B. Ever hear the phrase, "warm air rises"?
Explanation:
Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.
The hubble telescope thing
What are the answers? or is it a essay question