The tone of that expert sounds serious and regretful.
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Answer:
that some birds have other ways of perenting than others
Explanation:
i have no clue but there
D. He don't know what he's talking about. It should say "He doesn't know what he's talking about."
Answer:
conspiracy theories can cause people to confer and discuss about the theory while conspiracy theory's are also able to divide people due to the theory itself as it can pertain to certain people causing them to think differently of others or each other which then causes them to separate.
The second or fourth one I'm not sure