Compared with oceanic crust,continental crust is very buoyant because it is
A) composed of basaltic rock that contains air bubbles from successive lava flows.
B) composed of granitic rocks whereas oceanic crust is composed of basaltic rocks.
C) thinner and forms a thin upper skin on the oceanic crust below.
D) very young and fresh.
Correct Answer:
Verified
Q36: The mantle can be separated into two
Q37: Which seismic waves produce a wave shadow?
A)P-waves.
B)Love
Q38: Continental crust is
A)thinner than oceanic crust.
B)less dense
Q39: The lithosphere includes
A)continental and oceanic crust.
B)the crust
Q40: Continental crust extends farther down into the
Q42: The outer core is thought to be
Q43: The crustal surface and the uppermost part
Q44: The lithosphere floats atop the
A)mantle.
B)crust.
C)asthenosphere.
D)mohorovicic.
Q45: The crustal surface varies in
A)composition,density,and thickness.
B)isostasy,density,and rock
Q46: The inner core is solid because
A)it is
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