Answer:
The answer is B: Scientists are confused by the different ways the rocks move, and the theories involving wind, ice, and mud have not been proven.
Explanation:
In the second paragraph, it is said that scientists have been baffled by the variety of rock movement. Then, there was a description of their movement and some possible reasons for why it happens. Some of the reasons(wind, ice and mud) were suggested by scientists. The paragraph then ends by saying that none of the theories have been confirmed by research.
This is conveyed very well by option B therefore it the correct option as the main idea of the paragraph.
The correct answer should be <span>Taking public transportation can benefit a person financially, create new social connections, and reduce stress.
This is a great topic sentence because it focuses on certain aspects. It doesn't just say that it's great for many reasons. It shows what the article or the paper is going to be about.</span>
If you want to use consistent verb tenses in telling a story, that means you have to use the same tense, or at least they all should be in the past/present/future, depending on the first verb in the sentence. Here, the correct answer is:
B) I met Rob for the first time in the school infirmary, and he smiled at me even though he was clearly in pain.
No not at all
Thats not what defines their art