Describe the weathering process that has occurred to cause a dome to look the way it does now?

The rain, wind, and possibly hail where's down the dome rock causing chucks of the dome fall off.

Explanation: The rain softens the rock while the wind blow debris on the dome and (possibly) hail knocks the chucks of rock off the dome. (If there is no hail then eventually the rain and wind will make the rock fall off the dome)

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

b is the correct answer