Which of the following is a dark-colored silicate mineral?

A. potassium feldspar
B. muscovite
C. quartz
D. biotite
E. None of these choices are correct.


Answer: D

Environmental & Atmospheric Sciences

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Which of the following is a saturated molecule?

A. a B. b C. c D. d E. none of the above

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Facts about Turkey include

A) 25% of the population are Ethnic Turks. B) the Kurds are the most populous minority. C) Kurds currently possess the most fertile land in Turkey. D) 50% of the population are Ethnic Turks. E) Turks migrated to Turkey after the 17th century.

Environmental & Atmospheric Sciences

The oldest rocks on Earth are between 3.96 and 4.3 billion years old

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the following molecules is(are) polar?

A) BCl3 B) NH3 C) both of them D) neither of them

Environmental & Atmospheric Sciences