Answer:
The mantle is approximatly 2,900 km thick and it can get to be extreemly hot!
Explanation:
Answer: It repeats the word "ask" in sentences with similar structures.
Explanation: The second and fourth options are completely unrelated with the concept of parallelism. The first and third options, on the other hand, are both related to parallelism, but the third option must be discarded because the contrast between "ask" and "ask not" is not repeated in each of the paragraphs; only the verb <em>ask</em> in its imperative form is repeated in each sentence.
Nationality would be the country a person was born in. Ethnicity would be their ethnic or racial background.
Example:
A person could be born in Canada and be Canadian but their ethnicity could be something like Chinese or African.
The correct answer is B. Time
Explanation:
The text presented explains the way researchers from the University of Arizona studied how much women and men speak. In sentence 2 "Researchers from the University of Arizona placed microphones..." and sentence 3 "Then they sampled their conversation..." the process is explained by using a sequence structure. In this way, the process of placing microphones in women and men precedes the process of sampling the conversation, this relationship in time is suggested by the word "then" that connects both sentences. This means sentences 2 and 3 have a relationship of time because they describe stages that occurred at different times during research.