A mockingbird symbolizes innocent. Harper Lee probably has Jem and Scout hear a mockingbird as they're walking to their school alone because through the story they symbolize the innocence of youth, sheltered in their community. The action of the novel has them experiencing things far beyond what they ever have before and trying to maintain their innocence.
The constitution places limits on who becomes president because it wants to make sure whoever is becoming president will be fit for office and guiding our country <span />
Some include:
Cause and effect: Consequently, therefore, accordingly, as a result, because, for this reason, hence, thus...
Sequence: Furthermore, in addition, moreover, first, second, third, finally, again, also, and, besides, further, in the first place, last, likewise, next, then, too, etc.
A is the answer because bio means life.