Which of these common minerals is not a silicate?
A. biotite
B. quartz
C. feldspar
D. pyroxene
E. calcite
Answer: E
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How does the linguistic and religious complexity of the Caucasus Region influence the politics of the region?
What will be an ideal response?
Which of the following is not a trigger to start air moving upward? a. Radiational cooling
b. Warm air rising along a frontal boundary. c. Unequal surface heating. d. Converging surface winds.
Which of the following health problems is most closely associated with the thinning of Earth's ozone layer?
A) Skin cancer B) Blindness C) Heart disease D) Skin irritations
Tundra is often present in relatively warm regions of South America and Asia. What factor or factors are chiefly responsible for the presence of tundra in these regions?
a. proximity to the equator b. elevation and altitude c. local weather patterns d. proximity to the poles e. None of the listed responses are correct.