Each of the major continents at the beginning of the Paleozoic had two major components. These were a(n) ____

A)trough and a range
B)craton and a mobile belt
C)immobile belt and a rift margin
D)craton and a ocean basin
E)volcano and a desert


B

Environmental & Atmospheric Sciences

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A) Molecules B) Electrons C) Elements D) Minerals

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Dark energy bends the curvature of spacetime

A) in the exact same fashion as gravity. B) in the opposite manner of gravity. C) by absorbing all lightwaves that pass through it. D) Dark energy does not bend the curvature of spacetime.

Environmental & Atmospheric Sciences

Barrier islands are ____

a. perpendicular but attached to the shore b. parallel but separate from land c. broad and offshore d. part of the mainland e. migrating away from shore as sea level rises

Environmental & Atmospheric Sciences

Mammatus clouds are associated with this type of cloud

A) altostratus. B) nimbostratus. C) stratocumulus. D) cumulonimbus. E) altocumulus.

Environmental & Atmospheric Sciences