A ring of light encircling the sun or moon could be either ____

a. a rainbow or a halo
b. a halo or a sundog
c. a halo or a corona
d. a sundog or a crepuscular ray
e. a sundog or a glory


ANSWER: c

Environmental & Atmospheric Sciences

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A. heavy metal B. nutrient C. sediment D. PCB

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An accretionary prism of sediments and oceanic crust is formed

A. on top of the oceanic plate that is not being subducted. B. in an oceanic trench created by the subduction of one oceanic plate beneath another plate. C. in the asthenosphere as the subduction of one oceanic plate enters the asthenosphere.

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