Given the pH scale is logarithmic where each whole number represents a tenfold increase, a rain with a pH of 3 is how many times more acidic than rain with a pH of 7?

A) 3
B) 4
C) 100
D) 10,000
E) 1,000,000,000


D

Environmental & Atmospheric Sciences

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A felsic igneous rock metamorphosed to low metamorphic grade would become a(n)

A) schist. B) amphibolite. C) gneiss. D) slate.

Environmental & Atmospheric Sciences

The crossopterygians were well-adapted to move onto the land because they had ____

A)lungs, but not necessarily a means for locomotion B)a means for locomotion, but not necessarily lungs C)cartilaginous skeletons D)lungs and a means of locomotion E)webbed feet

Environmental & Atmospheric Sciences

Which of these regions is mostly covered with grasslands?

A) llanos of Venezuela B) cerrados of Brazil C) pampas of Argentina D) all of the above E) none of the above

Environmental & Atmospheric Sciences

_____ is defined as the ratio of water vapor in the atmosphere compared to the amount the atmosphere could contain

a. Atmospheric pressure b. Ozonification c. Temperature d. Relative humidity

Environmental & Atmospheric Sciences