Paraphrase is a restatement of the meaning of a text or passage
Use a pair of commas in the middle of a sentence to set off clauses, phrases, and words that are not essential to the meaning of the sentence. Use one comma before to indicate the beginning of the pause and one at the end to indicate the end of the pause.
Answer:
Question 2
Sleep might be an important tool to keep people healthy. is correct
Answer:
B. Lowell's study of mars eventually led to the discovery of pluto, which was later downgraded to a dwarf planet.
Explanation: