An unconformity represents a gap in the geological record. The correct option among all the options that are given in the question is the first option. This is basically the time when deposition had stopped or erosion had taken place. I hope that the answer has come to your help.
32 Degrees To 77 Degrees F
0 Degrees To 25 Degrees C
This is the picture of Pangea!
The waves crash into the sand, sometimes creating dunes, and it can also wash some sand out into the ocean. Hope this helps!