Why do crystals in a magma stop growing during cooling?
A) The pressure from rocks above becomes too great and the magma stops growing crystals.
B) They run out of heat.
C) They become too dense to grow.
D) They run out of space.
D
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The most effective technology developed so far to produce solar energy concentrated enough to run an industrial furnace or turbine is to use
A. Cogeneration B. Smart meters C. Photovoltaic cells D. Parabolic mirrors E. Passive heat absorption
Why are halos and sun dogs associated with cirrus clouds and rainbows with cumulus clouds?
What will be an ideal response?
Most of the 131 fatalities from the Good Friday earthquake in Alaska in 1964 were due to fire caused by rupturing of gas lines.
Answer the following statement true (T) or false (F)
Before consumerism could take hold, societal changes had to take place. These include all of the following EXCEPT
A) ideas of thrift as a positive personal attribute had to be changed. B) religious ideas that scorned the material world had to be changed. C) the ideals of individualism had to take hold in society. D) all of the above E) A and B only