Why are underground homes sometimes used in iceland? a. to prevent snow from collapsing their homes b. to insulate homes from harsh, cold conditions c. to prevent homes from sinking in the permafrost d. to bring down the cost of building in cold climates

How has immigration influence the food choices in many countries?

If you heat soup on a stove, what happens to the movement of the soup's particles? a. the particles move slower. b. the particles move faster. c. there's no change in the speed of particles. d. the particles stop moving.

You're doing research for a public essay on alternative medicine. which of the following sources has the most reliable information? a.a post on a social networking site about the undesired side-effects of different alternative medicinesb.a recent government report comparing the results of alternative and contemporary medicine for a specified diseasec.an anonymous article on a medical website that claims the success of alternative medicined.a 2003 study conducted by a medical research center about the effects of alternative medicine