7. in paragraph 3 (lines 28-43), the

author speculates on why ancient
native american structures have
withstood

Pardon me. to answer questions like this, we would have needed more information. for starters, two sentences from the excerpt that came with the question.

In 2081, everyone is equal not only in the eyes of the law but in every way; nobody is smarter, more athletic, better looking, etc. than anyone else. hazel is of average intelligence, which means she can't think about anything except in short bursts, and george has an intelligence way above normal.