How does science help the study of the prehistory of the planet?

Which statement describes a similarity between the great migration and to this day

What is a key believes of john locke in establishment of government

Why are slanted roofs found on many buildings within russia and finland? a. to prevent ice slides. b. to prevent the build-up of water during heavy rains. c. to prevent heat from escaping during the clod winter months. d. to prevent snow build-up.