What does this mean

1. IWPBIHAIWF
2. IKWD
3. ITIAS
4. MUWAP

What term is given to the border between the central alps and the southern limestone alps?

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

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.