exacerbated means to make a problem, a feeling, or a situation worse.
used is a sentence it would be used like this
The new law only exacerbates the problem
i hope this helps.
Avoid guessing or choosing an answer you are unsure of. Remember, you’ll only get the extra points if you give the correct answer.
Answer:
C. Muscular fitness training strengthens tendons, ligaments, and cartilage.