From the text "WHO IS KATHERINE JOHNSON?" on common lit, PART B: Which detail from paragraphs 2-3 best supports the answer to Part A?

A- “She counted everything, from the number of steps she took to get to the road to the number of forks and plates she washed when doing the dishes.” ( Paragraph 2)
B- “At a young age, she was very eager to go to school.” ( Paragraph 3)
C- “Johnson could vividly recall watching her older siblings go to school, wishing so much that she could go with them.” ( Paragraph 3)
D- “she so excelled that by age 10, she was in high school. By age 15, she’d started college!” ( Paragraph 3)

In which sentence is the action arrow pointing to the receiver of the action? a. sentence: hawkeye tracked the deer through the forest. an arrow, pointing to the left, is drawn above the verb 'tracked'. b. sentence: hawkeye tracked the deer through the forest. an arrow, pointing to the right, is drawn above the verb 'tracked'.

Which statement from chamberlain's speech to parliament did the least to support his cause? a. "no doubt i shall have plenty of critics who will say that i am guilty of facile optimism . ." b. "the house will remember that when i last addressed them i gave them some account of the godesberg memorandum . ." c. "therefore, it was essential that we should quickly reach a conclusion . ." d. "the relief that our escape from this great peril of war has, i think, everywhere been mingled in this country with a profound feeling of sympathy . ."

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)