Which kind of magma has the lowest viscosity?

A. Basalt
B. Andesite
C. Granite
D. Rhyolite


Answer: A

Environmental & Atmospheric Sciences

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Temperature inversions have little effect on air pollution

Indicate whether the statement is true or false

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One advantage of large-scale hydropower is that it

A. does not require government subsidies. B. has a high net energy yield. C. produces low methane emissions. D. makes it easier for fish to migrate upstream. E. does not alter aquatic ecosystems.

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After the flanks of a volcano are eroded, igneous rock that crystallized within the "throat" or "plumbing system" of the volcano may form ___

a) a neck b) a sill c) a laccolith d) a batholith e) a diapir

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What is organic food, and how is it now certified?

What will be an ideal response?

Environmental & Atmospheric Sciences