The group is usually dominant is the universal religion group.
Id say b because for a while it had no real population
Answer:
Petroleum is oil from the remains of water organisms, the oil can be found beneath the ocean floor. Petroleum is a crude oil, and is made of pure chemical compound.
The continents at one time (approx. 270 million years ago) were one supercontinent called Pangaea. Panthalassa was the name of the ocean surrounding it.