Answer:
divergent boundary
Explanation:
The South American and African plates moved apart as a divergent boundary formed between them and an ocean basin formed and spread.
see in ur book
anwer will be there or a hint u will find
9 is ans..............
Explanation!
They constructed their buildings out of adobe because the resources needed to make it were abundant in the location as well as the fact that adobe houses were very strong. the walls were very thick allowed for cool summers and warm winters.