How can we compare the voting behavior of voters and non voters?

You can

Explanation:

the behavior of non - voters is either that they aren't old enough to vote even or they don't follow the rules of voting.

The behavior of voters is very different because they are truthful and rightful to be able to vote.

I have no idea what I'm saying but I kind of hope this helps

c. taught scientists many new things about the earth, but not other planets.

explanation:

idk