The optics of rainbow formation involve

A) reflection only.
B) refraction only.
C) both reflection and refraction.
D) neither reflection nor refraction.


Answer: C

Environmental & Atmospheric Sciences

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For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H3PO4 + H2O ? H2PO4- + H3O+

A. acid B. base C. neither D. both E. none of the above

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Linnaean classification ____

A)relies on phylogeny B)works well for all organisms C)reflects all evolutionary relationships D)is good for assigning organisms above the species level E)does not reflect evolutionary relationships in all cases

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The suspended load consists of ____

A)sand B)gravel C)clays D)dissolved ions E)pebbles

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Compare the speed of the Atlantic sections with the Pacific transect. Which plate is moving more quickly?

Environmental & Atmospheric Sciences