________ 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

Environmental & Atmospheric Sciences

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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.

Environmental & Atmospheric Sciences

The first comprehensive theory of continental drift was put forward by ________.

A) Darwin B) Köppen C) Wegener D) Wallace

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

Despite many problems, since WWII steady efforts have been made toward European unification.

a. true b. false

Environmental & Atmospheric Sciences