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:
So what you do is
Explanation:
So what a clause is what a dependent is
The answer would be the fourth one. She is upset.
Answer:
Answer: The sun will be seen inside of the same constellation during the entire day.
Explanation