The voice in a text is the narrator(s).
For a more negative connotation the author should have used nosy from all the choices
Beavers play an important role in establishing and maintaining wetlands — learning to live peacefully with these animals is important to the health of their environment. Beaver dams enhance their environment by: Providing habitat for many sensitive plant and animal species. Improving water quality.
He wishes his son would come back
There called stanzas so it won't be a run on sentence