Clear sunny days with very cold nights would be associated with what type of air mass?

a. mP
b. mT
c. cP
d. cT
e. mA


ANSWER: c

Environmental & Atmospheric Sciences

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What change in U.S. law encouraged the expansion of credit?

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The number of people served by advanced wastewater treatment plants doubled between 1968 and the mid-1990s, but because the treatment plants _______________________, the quantity of waste emitted into the water after treatment ___________________ .

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Most of the existing orders of mammals were present by the

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