Answer:
Your answer would be A.
Explanation:
You should change suns' to sun's. You should use the apostrophe to show possession. In order to show possession with a singular noun, you should add an apostrophe plus the letter -s. As you know, the sentence is referring to the sun, the star of our galaxy. Considering that the noun is singular (sun), the possession should be shown by adding the apostrophe and the letter -s to the noun (see 1).
1) The sun's energy heats the Earth's surface
The cost is an expensive habit? not really sure but people who smoke spend a lot of money if they have been smoking for a long time.
I could help you if i knew what the close reading was about
Answer:
B
Explanation:
Who and whose (which is wrong for a couple of reasons) refer to people. So neither of those 2 can be the answer.
Which and that are all that is left.
The usage is very close. Which, I think, is the correct answer. It usually begins a clause that adds more information to the noun (usually) that it modifies. In this case, the clause modifies mammal and tells it that is unique in that it can fly.
That is normally a pronoun that oddly modifies again usually a specific noun. You are not talking about a bat that lives in your back yard and that you have named. Bats in general are the only mammals that fly.
I still would use which.