I would go with answer
B: They both relied on each other for goods and services.
The interior of Australia is called Outback: the correct answer is B.
You can actually solve this question by just understanding that all the other options mention words related to the sea: coral reef, atoll, islands: so they're more likely to be on the shore of Australia, not in the middle.
The religion the Mauryn's did not practice is CHRISTIANITY
Hope that helps!!!!! (Answer:: Christianity).
