3. A "stationary pyramid" is one that shows a population that
O does not move
O has mostly old people
has mostly young people
O remains somewhat constant

Adeveloping nation's economy is based on a developed nation's economy is based on stay tuned- i may post some more questions from my study guide : )

Why did macarthur want to invade china? why did truman oppose this?

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.