A mineral that has a vitreous luster looks
a. glassy.
b. metallic.
c. earthy.
d. pearly.
a
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An 80.0-kg object is falling and experiences a drag force due to air resistance. The magnitude of this drag force depends on its speed, v, and obeys the equation
What is the terminal speed of this object? A) 6.45 m/s B) 72.2 m/s C) 34.2 m/s D) 12.6 m/s E) 47.3 m/s
What behavior do galactic rotation curves exhibit to suggest the existence of dark matter in an extended halo?
a. Small velocities are seen at large distances from the galactic center. b. Small velocities are seen at distances close to the galactic center. c. Large velocities are seen at large distances from the galactic center. d. Large velocities are seen at distances close to the galactic center.
Stars of the main sequence all fall in luminosity class ________
Fill in the blank(s) with correct word
The example shown is a(n) ______ website structure.
A. linear/tutorial B. webbed C. hierarchical D. hybrid