Which of the following characterizes a shield volcano?
A) It is dormant.
B) It can erupt only briefly before being dragged off the hot spot.
C) It sits above a hot spot in the planet's crust or mantle.
D) It forms along a plate boundary.
E) It cannot grow very large, for it has a very short span of eruption.
C
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Describe the process of crystallization.
What will be an ideal response?
A long cylindrical conductor (radius = 1.0 mm) carries a charge density of 4.0 pC/m and is inside a coaxial, hollow, cylindrical conductor (inner radius = 3.0 mm, outer radius = 4.0 mm) that has a total charge of -8.0 pC/m. What is the magnitude of the electric field 2.0 mm from the axis of these conductors?
a. 24 N/C b. 18 N/C c. zero d. 36 N/C e. 226 N/C
The operation of a cloud chamber relies on
A) magnetization. B) evaporation. C) acceleration. D) polarization. E) condensation.
On which planet would you experience the highest gravitational acceleration?
1.on one with twice the radius of the Earth and twice the mass 2.on one with half the radius of the Earth and half the mass 3.on the Earth 4.on one with twice the radius of the Earth and half the mass