Which is the correct geologic definition for a substance that occurs naturally as a solid and has a crystalline structure?
A. mineral
B. ore
C. rock
D. granite
Answer: A
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By the end of 2012, the Arab Spring and its popular uprisings against oppressive and entrenched government leaders has led to
A) millions of Middle Eastern refugees have been returning home to resume disrupted lives. B) global climate change has stabilized and created more livable environments world-wide. C) millions of internally displaced persons have been created in the Middle East. D) a 20% increase in the number of IDPs in the Middle East.
The Slavs settled in
A. Scandinavia B. France C. East Central Europe D. Mediterranean Europe
Which of the following best represents potential energy?
A) Cars stopped at an intersection B) Sunlight shining on people on a beach C) A charged battery in a flashlight D) A breeze blowing across the top of a lake
The temperature at which condensation takes place is the ____
a. saturation point b. relative humidity c. dew point d. specific humidity