Explanation:
The Romans actually used urine to brush their teeth. They did this because of the presence of ammonia in it.
Answer=B
Fur was considered the black gold of the far north.
C)they did not live in cities
D) they did not know how to read
The first people to inhabit Australia were the aborigines, who first arrived on the island from boats and rats that most likely got their start in the islands of Indonesia.
