When frozen water on the surface of Mars heats up during summer time, the water
a. melts and forms liquid pools on the surface.
b. boils off the surface and escapes into outer space.
c. sublimates and goes directly into the gaseous phase.
d. remains frozen because the temperature remains below the freezing point.
e. melts and creates flowing rivers that erode the landscape.
c. sublimates and goes directly into the gaseous phase.
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When the current in the wire is directed up out of the page, the direction of the magnetic field at point P is
a.
A.
b.
B.
c.
C.
d.
D.
e.
E.
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Fill in the blank(s) with correct word