I just did this lesson, and the answer is B.
I hope this helps you!
-Mikayla
Natural elements typically erode ancient ( and all ) buildings and structures overtime. That and an increasing amount of tourist attraction also doesn’t help the decaying... well everything. An article from the guardian supports this and even says that last year the EU threatened to remove the funding of the Great Pompeii Project which conserves and restores this ancient site.
After new moon it is waxing crescent
So False
it is dependent on its crops