A 340-Hz sound wave travels at 340 m/s in air with a wavelength of
A. 10 m.
B. more than 100 m.
C. 1 m.
D. 100 m.
Answer: C
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a. phenocrysts b. dolomite c. amphibolites d. ripple marks e. cross-beds
If all climatic controls except latitude were held constant, which of these cities would be warmest?
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The major difference between intrusive igneous rocks and extrusive igneous rocks is
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What is the ultimate source for naturally occurring carbon-14?
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