What is accurate about the land surface today, that you can observe in places such as pennsylvania? a) sediment is not being deposited anywhere, and it never has been. b) sediment is being deposited in most places, but a few places are eroding. c) sediment is not being deposited anywhere, so everywhere is eroding. d) sediment is being deposited in a few places, but most places are eroding. e) sediment is being deposited everywhere, covering the land surface deeper and deeper