100 POINTS Review the DNA article and interactive in the lesson.
2. Write a paragraph of at least five complete sentences that answers the following questions:
What are the advantages and disadvantages of each medium used for the DNA information?
Why can it be helpful to present ideas in more than one medium?
Which medium did you like better and why?
Which medium do you feel taught you the information better and why?
How do your answers compare with those of your classmates based on the poll results?

(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.”)