________ is a calcium magnesium carbonate rock which dissolves almost as easily as limestone
A) Shale
B) Granite
C) Dolomite
D) Basalt
E) Gneiss
Answer: C
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The first comprehensive theory of continental drift was put forward by ________.
A) Darwin B) Köppen C) Wegener D) Wallace
A scientist identifies a rock sample as andesite. Why did he do so?
A) He observed that the rock has a lot of silica, making it mafic. B) He observed that the rock has a lot of silica, making it ultra-mafic. C) He observed that the rock has a decent amount of silica, making it intermediate. D) He observed that the sample has little silica, making it felsic.
What setting has the thinnest cover of sediment in the oceans?
A. oceanic trenches B. mid-ocean ridges C. continental shelves and slopes along passive margins D. abyssal plain
Despite many problems, since WWII steady efforts have been made toward European unification.
a. true b. false