A unitary political system is one that *
concentrates policymaking power in the hands of one individual
concentrates policymaking power in one geographic place
has only one branch of government-the executive
does not allow direct elections of public officials
has only one house in the legislature

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.