Pluto is different from the other outer planets in all of the following ways except which one?
A) Its orbit is not very close to being circular.
B) It has only one moon.
C) Its surface temperature is very cold.
D) It is made mostly of ices.
E) It doesn't have rings.
C
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Suppose that at a given point in a given piece of metal, the drift velocities of electrons are oriented leftward. The direction of the conventional current in this metal
A. is leftward. B. is rightward. C. is zero. D. depends on the type of metal.
An object of mass m moving with a certain speed has a kinetic energy of 0.0124 J. The object collides with a horizontal spring and compresses it by 0.800 m before it is brought to rest. What is the spring constant of this spring?
A) 0.315 N/m B) 0.150 N/m C) 0.194 N/m D) 0.0235 N/m E) 0.0388 N/m
Where is the most obvious example of a mountain chain built by continental collision in plate tectonics? Which plates are involved in this head-on collision?
What will be an ideal response?
Convection currents in the ______causes lithospheric plates to move across the Earth's surface.
Fill in the blank(s) with the appropriate word(s).