What most Tribute it to the strength of ancient Chinese dynasties? A. Maintained good farmland by managing the rivers.
B. They kept Outside invaders from crossing the Himalayas.
C. They protected the grassland so that they stayed green for herding.
D. They guarded the seas so that the outsiders could not invade the coasts.

If your house is facing the north and your facing the east, what direction is your left hand facing? a. north b. east c. south d. west what would happen if it rained on a rock almost everyday for 3 years? a. it would start to crumble b. it would start to take a natural formation c. it would stay the same : |

Which numberline shows the solution to n -3

All of the following statements about the biosphere are true except: a. light and heat from the sun do not affect the biosphere. b. the biosphere gets resources from earth's crust, hydrosphere and atmosphere. c. like "biology", the name for the biosphere comes from the greek word for life. d. the biosphere includes all living organisms on earth's surface.