I___in Switzerland
A. have never been
B. have never gone
C. nver gone
D. never was

(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.”)

Read the excerpt from "a modest proposal." the poorer tenants will have something valuable of their own, which by law may be made liable to a distress, and to pay their landlord's rent, their corn and cattle being already seized, and money a thing unknown. which statement effectively uses a quotation to show that swift claims that the poor will also benefit from his proposal? “swift writes that poorer tenants will have something valuable of their own, which by law may be made liable to a distress.” swift writes that poorer tenants will finally have something to pay their landlord’s rent since they have neither money nor trade. swift writes that poorer tenants will have something to trade for rent since “their corn and cattle” have already been seized. swift writes that “poorer tenants will have something valuable of their own” that can “ to pay their landlord’s rent.”

Plz ! i genetic mutation occurs in a rabbits muscle cell this genetic mutation will be passed on to, a. the existing cells in the rabbits body. b. the cells that are next to the mutant muscle cell. c. cells that are produced when the mutant cell divides. d. the cells of the rabbits offspring.