C. allows historians to confirm that a source’s information is correct. Hope that helps!
How well of a student i am…. siiiike
The time required for the moon to orbit around the earth is slightly longer than the earth rotation on its axis. The moon rotates in the same direction that the earth rotates on its axis. Thus, the moon's full rotation requires another 50min or 25 minutes per crossing of the earth's meridian.
I don’t know tbh sorry maybe search it up and just paraphrase.