I would say C because this passage talks about green building and how it's beneficial. Sentence 4 mentions about what the green roofs are made of and I don't think that would be necessary to include in this passage.
B. "Scientists Discover Concrete Evidence of Life on Mars" The other options sound very lazy and informal .
Answer:
C. State a position
Explanation:
I calculated it logically
I looked around and I think the answer could be D. Exotic but human ???
Homeless people should be able to use services. for examples: regular food donations, public restrooms, and camping facilities. it would help improve life for the citizans of the city