What is the subject in the exercise

(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.”)

Write about a scientist and present information including a short biography, contribution, their scientific achievements and contribution to science

Sarah is having a tip-of-the tongue experience with the name of an indian restaurant that recently received a great review. she suspects that it may start with a “k” sound and consist of two syllables, but all that comes to mind is canton or ccouscous. which of the following choices would be the most likely name of the restaurant?