Plz help me out with this

Distance that the transcontinental railroad covered from omaha to san francisco.

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.

How do you think the different landforms of northern and southern europe would affect ways of life in those two areas