Yes, you would need to put a comma right there.
B)expository text
Explanation:
It's non fiction and true information
Answer:
Few advancements in scientific knowledge were made. Scientists discovered new evidence to support their theories. Scientists discovered that old interpretations of data was incorrect. Scientists used observations and mathematical data to solve problems in new ways.
Explanation:
Answer: Both passages are written for textbooks so C is youre
answer.
Explanation: this is correct
