Describe material that can reflect, refract, translucent and transparent

Explain the cause for movement river valley civilization to early industrial centers

Which of the following best describes asbestosis?

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.