I read it wheres the qoustion involved
Answer:
"Apparently, when something makes her happy, Stargirl puts a pebble in the wagon; when she is unhappy she takes a pebble out."
Explanation:
Samuel is the antecedent, and his is the pronoun that refers back to the antecedent.
Answer: To persuade
Explanation:
The speaker is implying that there will be unpleasant consequences if one does not study the problem carefully, and they are trying to persuade you to do so to avoid unnecessary consequences.