You've come across a book in the card catalog that you think will be useful in your research of famous labor leaders. what three things should you copy from the card so that you know how to find the book? a. the call number, the title, and the topic b. the call number, the author's name, and the date of publication c. the call number, the topic, and the date of publication of a book d. the call number, the title, and the author's name

(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.”)