A system of government by which people choose leaders by voting

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.

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution

The middle east links which two continents? ●asia and europe●europ and africa●africa and asia●africa and australia