The climate 250 mya was very tropical, so maybe those fossils could've been found there even w/o continental drift
Of these choices i'd say that the third option or "domestic fuels are always cheaper to acquire and renewable". I hope this helps :)
For cities, mountains can be both a help and hindrance. Whilst mountains can be a barrier to trade and transport, they form a natural line of protection from invasion. Therefore, many ancient cities thrived when located near mountains, with the reduced risk of attack affording them time to grow and prosper
