Highly vesicular, intermediate-sized pyroclastic fragments of basalt or andesite are called
A) pumice.
B) lapilli.
C) ash.
D) cinder.
Answer: D
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A radically different environment has faced the banking system since the 1970s and 1980s. Reasons for this include all of the following EXCEPT
A) the Bretton-Woods agreement was reinstated. B) the shift to floating monetary exchange rates. C) rising debt levels in the developing world. D) the advent of electronic funds transfer systems. E) mounting international competition.
Paleomagnetism helps scientists understand ____
a. the origin of Earth's magnetic field b. the crust's chemical composition c. the past location of continents d. the depth of the Mohorovi?ic´ discontinuity e. Earth's age
The principle of ________ states that an original sedimentary layer extends laterally until it tapers or thins at its edges.
A. superposition B. cross-cutting relationships C. lateral continuity D. actualism E. original horizontality
On a standing wave, the maximum vertical movement occurs at the node.
Answer the following statement true (T) or false (F)