The changing of a vapor into a liquid is called
A) condensation.
B) evaporation.
C) dew point.
D) saturation point.
Answer: A
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a. True b. False Indicate whether the statement is true or false
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a. dark fringe b. bright fringe c. multicolored fringe d. gray fringe, neither dark nor bright
Saturn's larger satellites have lower average density than the Galilean satellites of Jupiter; therefore, we can conclude that Saturn's satellites contain less rock and more ice than the Galilean satellites.
Answer the following statement true (T) or false (F)
A homeowner has a new oil furnace which has an efficiency of 60%. For every 100 barrels of oil needed to heat his house, how much (in barrels of oil) goes up the chimney as waste heat?
a. 20 b. 60 c. 40 d. 80 e. 10