Is counter urbanisation a sustainable option to rural development?

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k

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.

Physical features of central america look at the map above which of the following is true