Answer:
prewash
Explanation:
all the others are incorrect except for that one
an example to help you :)
I'd say the correct answer is B, because 'in the desert is part of the subject/noun 'canyon', and modifies it, that is, refers to it, describes it in more detail.
Answer:
In my opinion, it could be D.
C is wrong just by using common sense, B and A doesn't make much sense either. But D seems reasonable.
Use care with secondary clauses. Use active voice. Use powerful verbs. Follow grammar rules