How many words are in a million little pieces?

How to prevent onions from making you cry chill the onions in the refrigerator for 30 minutes before peeling or chopping them. sulfuric vapors move slower in the cold—think about how garbage smells worse during hot weather. leave the onion root intact until the last possible moment to prevent irritants from escaping into the air. the root contains the largest concentration of sulfuric compounds in an onion. chop or cut the onion with a sharp knife. fast, clean slicing puts less pressure on the onion tissue and minimizes the release of sulfuric compounds. a sharp knife also allows you to expedite your slicing and reduce your exposure to the onion fumes. open a window or light a scented candle close to your chopping station. the hot flame of a candle will attract tear-causing vapor and will reduce the amount of vapor circulating in the air. what can be done to these instructions to make them easier to read at a glance? deleting everything except the first sentences of each numbered step eliminating the numbers and using bullets using illustrations instead of text changing nothing

(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.”)

Which most closely analyzes the information about briony's dreams of becoming an olympic athlete?