A lahar is a(n) ________.
A. small piece of pyroclastic material
B. extinct volcano
C. felsic magma deposit
D. volcanic island chain
E. volcanic mudflow
Answer: E
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The global spread of English is primarily the result of
A) British involvement in World War II. B) colonization by the British Empire. C) American media influences. D) Australian currency production.
What element is oxidized in the following equation and what element is reduced? Sn2+ + 2 Ag ? Sn + 2 Ag?
A. The tin ion, Sn2+, is reduced, while the silver, Ag, is oxidized. B. Both the tin ion, Sn2+, and the silver, Ag, are oxidized. C. Both the tin ion, Sn2+, and the silver, Ag, are reduced. D. The tin ion, Sn2+, is oxidized, while the silver, Ag, is reduced.
The dominant feature of a traditional Islamic city is
A) the sultan's palace. B) the principal mosque, the Jami. C) the main marketplace, the suq. D) the Kasbah. E) the cemetery.
How many elements are there in period 3?
A) 2 B) 6 C) 8 D) 18