What is a metamorphic rock with more than 50% platy and elongated minerals, all of which are large enough to be clearly visible?
A)phyllite
B)gneiss
C)slate
D)schist
E)shale
D
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A ___________ is a small, cone-shaped hill usually less than 450 m (1500 ft) formed from material that accumulates from moderately explosive volcanoes.
Fill in the blank(s) with the appropriate word(s).
One of Edwin Hubble's discoveries is that the known universe is expanding. This means that
A) most all observable galaxies are moving away from each other. B) light rays bend as they near the event horizon of a black hole. C) light rays undergo acceleration as they travel vast distances. D) the mass of the universe is slowly dissipating.
________ weathering occurs when there is a change in the minerals that compose rocks when they are exposed to air and water
A) Chemical B) Physical C) Biological D) Natural E) Isostatic
When the slowing of a fluid—such as air—is due to the random motion of the gas molecules, the viscosity is referred to as ____________________
Fill in the blank with correct word.