The answers are
a
a
c
D
a
a
D
b
b
d
Explanation:
are you doing English 2? if so I am as well you should hmu so we can help each other
The answer is C) Both A and B
The correct answer is becoming an astronomy researcher
For starters, it is the only appositive phrase. It is also non-essential because the sentence conveys full meaning even if it was removed.