The vertical igneous feature shown in this photograph is a
A) dike.
B) sill.
C) volcanic neck.
D) batholith.
A) dike.
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Cold-front precipitation
A) is confined primarily to the frontal zone. B) is long lasting. C) comes primarily from nimbostratus. D) all of the above E) none of the above
Measured rates of sea-floor spreading race from_____cm/year/
What will be an ideal response?
Basalt and gabbro are compositional equivalents, which means that they ____
A)are both formed from the same pluton B)have the same texture but are made up of different minerals C)are made up of the same minerals and are the result of explosive igneous activity D)are made up of the same minerals but have different textures E)have the same texture but one is mafic and the other is felsic
Which would characterize an erosional coast?
A. stacks B. headlands C. sea cliffs D. arches E. All of these choices are correct.