Which of the following minerals are called framework silicates?
a) amphiboles
b) feldspars
c) olivines
d) pyroxenes
e) micas (biotite, muscovite, etc.)
Ans: b) feldspars
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High demand for this product in East Asia drives large-scale international logging in Southeast Asia.
A) biofuels and charcoal B) plywood and paper pulp C) pharmaceuticals D) furniture E) wood veneer
A supercell storm consists of a single rotating updraft
a. true b. false
A piece of gravel is resting on a slope. Which of the following best describes how the gravitational force pulling the gravel downward will vary with the inclination of the slope?
A) Gravitational force is not affected by the slope angle. B) Gravitational force will increase as the slope angle decreases. C) Gravitational force will only change with the addition of water. D) Gravitational force will decrease as the slope angle decreases.
Which of the following is the largest inland sea in the world?
A) Black B) Mediterranean C) Aral D) Caspian E) none of the above