A mineral that has two prominent directions of cleavage that form angles of 56 and 124 degrees with each other is:

a. orthoclase feldspar
b. augite (pyroxene)
c. hornblende
d. galena


c

Environmental & Atmospheric Sciences

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In addition to their role in depleting stratospheric ozone, ________ are also effective greenhouse gases

A) nitrous oxides B) primary pollutants C) cholorofluorocarbons D) volatile organic compounds

Environmental & Atmospheric Sciences

Insolation is ____

a. incoming solar radiation b. a condition in which the sun's rays are at 90o c. the spectrum of visible light d. the maximum angle of the sun at noon

Environmental & Atmospheric Sciences

The mountain building events of the west coast that began in the Jurassic and continued into the Cenozoic are

collectively called the ____. a. Sonoma orogeny b. Antler orogeny c. Cordilleran orogeny d. Rocky Mountain orogeny e. Alleghenian orogeny

Environmental & Atmospheric Sciences

Why did the number of women decline from 1951-2011 in the region?

A) female feticide B) infant mortality C) preference for male children D) all of the above E) none of the above

Environmental & Atmospheric Sciences