If a central government runs a nation, its called a

a. federation
b. constitutional monarchy
c. confederation
d. unitary system

The hebrews originally migrated from a. india b. egypt c. arabia d. mesopotamia

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.

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange