A prefix meaning<span> “with,” “together,” “in association,” and (with intensive force) “completely,” occurring in loanwords from Latin ( commit): used in the formation of compound words before b, p, m: combine; compare; commingle. Expand. Also, co-, </span>col<span>-, </span>con<span>-, cor-.</span>
The answer is B) He makes every effort to solve the case.
The two reason are development and if a event happens to the character, the character would change his attitude toward life, like someone dying would change the tone of the story.
Answer: A) the sentence refers to the lifespan and how it's effected by vaccinations.
Explanation: