The answer is
Yet.
A coordinated conjuction is a word that joins or coordinates two senteces together, in this case the word yet is conectint he was but a child, and giving meaning to the whole sentece by conecting to he did so much for others, if you read it without the yet, the sentence looses force in the statement.
Answer:
One of the clients is in serious condition, and their dive boat has vanished—along with Julie's father, the only person who knows their whereabouts. It's only a matter of time before they die of hypothermia, unless they become shark bait first. Though Julie may not like her clients, it's up to her to save them all.
A conversation with a friend
Answer:
C: A nonfiction book about the history of the Civil War
Explanation:
Hope this helps
A. Jerry loves tennis he plays every day.
Here, there is a need for a semi colon because there are two independent clauses (Jerry loves tennis, he plays every day) that need to be separated.
Hope this helps :)