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Read the following passage: sari couldn't believe her bad luck. she had locked her keys in the car. to add fuel to the fire, her cell phone was in the locked car, and she was late for a very important meeting. she knocked on her neighbor's door so that she could ask to use his phone, but he was not not home. what was she to do? what role does the idiom in the passage serve? a. it shows that sari has incredibly bad luck when it comes to work. b. it shows that sari's neighbor was not home either. c. it shows that sari locked her keys in the car. d. it shows that sari's situation was worse than it seemed at first.

(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.”)

According to the study, a is when you string one quote after another in an essay without connecting them