The light-color layers within a typical gneiss are formed by ________.
A. pyroxenes
B. amphiboles
C. calcite
D. feldspars
E. olivine
Answer: D
Environmental & Atmospheric Sciences
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Which of the features below was the first to appear in hominids?
A. an upright posture B. language C. a large brain D. tool-making
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A) Balto-Slavic B) Germanic C) Indo-Iranian D) Romance E) Altaic
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A. It inclines very gently seaward. B. It is a shallow submarine platform at the edge of a continent. C. It can vary in width. D. All of these choices are correct.
Environmental & Atmospheric Sciences