Why do some plants have large, sweet-smelling flowers with sweet nectar?

How did the korean war impact the elections of 1952?

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.

What type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?