It should be C) Make the verb tenses consistent. "Develop" should be developing, so that it is consistent and parallel with performing and studying.
Answer:
Sentence 3 has a capitalization error since "Grand Canyon" is not capitalized
Answer:
tbh it really depends on what place you live in. (if it's the u.s. then probably no)
Explanation:
this is just my opinion
have a great day
