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

Environmental & Atmospheric Sciences

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b. horizontal rotation only. c. no rotation. d. vertical rotation only.

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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

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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

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