Which two minerals define a felsic composition?
A) Pyroxene and amphibole
B) Muscovite and biotite micas
C) Quartz and potassium feldspar
D) Plagioclase feldspar and biotite mica
Answer: C
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What is the temperature of boiling water?
A. 212°F. B. 100°C. C. both of these D. none of the above
The formation of supercell tornadoes involves: a. both horizontal and vertical rotation
b. horizontal rotation only. c. no rotation. d. vertical rotation only.
Country music can be traced back to roots in what culture and region of North America?
A) Scotch-Irish settlers in Appalachia B) Spanish settlers in West Texas C) Cajun settlers in Louisiana D) Africans brought over as slaves
In midlatitude cyclones, the cold front typically moves faster and eventually overtakes the warm front, producing a(n) _______________ front
Fill in the blank(s) with correct word