The alphabet song is a mnemonic device. true false ?

Iopened the door quietly,then stood in the doorway rewrite using ..ing participle

(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.”)

Take some time to create a cultural inventory. note the components of culture that have defined you and list as many as possible here. then write about the ways your unique culture affects your communication, i need i don't know how to start it off .