Which of the following describes sun halos?

A. They are most common during clear skies.
B. They require a layer of ice crystals.
C. They are caused by reflection of light.
D. They are usually found near the horizon.


Answer: B

Environmental & Atmospheric Sciences

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What is an ophiolite a result of?

A) Divergent plate boundaries B) Portions of continental crust squeezed and sheared onto the face of the continent C) Parts of oceanic crust obducted onto the edges of continents D) Continent to continent convergent boundaries

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The view that species change little during most of their existence and then evolve rapidly into new species is called punctuated equilibrium.

a. True b. False

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Most organisms have reproductive patterns between the opportunist and competitor extremes.

Answer the following statement true (T) or false (F)

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Chicago, IL is currently in the E climate zone.

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences