If a mineral is opaque, lustrous, malleable and can conduct heat and electricity, it is a(n) ________
A) crystal
B) element
C) metal
D) radioactive element
E) gemstone
Answer: C
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The question is based on the lower right (southeast) corner of the “Greasewood Spring, Arizona,” quadrangle (Maps T-18 and T-19 shown in color in the back of the Lab Manual). What will be an ideal response?
One landform that is caused by erosion from running water is a
A) waterfall. B) U-shaped valley. C) sand dune. D) mountain.
Which of the following cause ground water to flow?
A) kinetic energy and pressure B) volume and elevation C) elevation and potential energy D) potential energy and pressure
The majority of the world's lake basins are products of:
a. folding. b. volcanic activity. c. stream erosion. d. glaciation. e. karst action.