When water freezes, its volume
a) decreases about 9%
b) decreases 10% or more
c) increase more than 10%
d) increases about 9%

Topographic maps are used to measure a-composition b-movement c-elevation d-texture

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts

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.