Which of the following describes what a Doppler radar does?
A. It determines precipitation size by measuring changes in frequency of the reflected radio wave.
B. It determines precipitation velocity by measuring changes in frequency of the reflected radio wave.
C. It determines precipitation size by measuring changes in intensity of the reflected radio wave.
D. It determines precipitation velocity by measuring changes in intensity of the reflected radio wave.
Answer: B
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Use your knowledge of plate boundaries to answer whether a volcano is likely or unlikely to form at the location of the red triangle.
A) Likely
B) Unlikely
Why did Alexander du Toit feel it was necessary to propose a northern landmass he named Laurasia?
A)Pangaea did not account for all known landmasses. B)The landmass helped resolve climatological inconsistencies. C)Paleomagnetic studies of the seafloor proved its existence. D)A large mass of Gondwana had broken off and drifted northward. E)Recent ocean voyages discovered remnants of its existence.
About 80 percent of the magma reaching Earth's surface is basaltic, with only about 10 percent andesitic and 10 percent rhyolitic.
Answer the following statement true (T) or false (F)
Which supply line load is capable of laying both single and dual supply lines?
a. horseshoe b. twin c. Detroit d. split bed