Please check out my book on Watt pad? The book is called Familiar but you can read my others. I'm still working on The Story Of A Shattered girl and Familiar. I will update regularly. https://www. wattpad. com/user/haybear2283
Please don't report I just need feedback on my writing, Thank you

What is the theme of "the necklace"

(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.”)

Who knows how to give brainliest? will give 20 points and of course brainliest!