Match each type of migration or dispersal to the image of the species that follows it.

The enemy attacked the headquarters. what is the action verb in the sentence?

(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.”)

The difference between a guess and an inference is a. an inference is not supported by evidence while a guess is. c. a guess and an inference are the same thing. b. a guess is not supported by evidence while an inference is. d. none of the above