Answer:
B, determiners
Explanation:
This that and those are determiners.
(A) green roofs can keep buildings warmer in the winter
(B) Dark roofs take in more heat than white roofs
(C) It is harder to heat buildings that have white roofs
A. Are is the answer because it makes the most sense
Answer:
I had never lived in such a big city.
Explanation:
An independent clause is a clause that makes sense by itself and is a complete sentence. All the other causes are dependent clauses as they can not stand alone.
Hope that helps.