The ion in sea water that serves as a buffer is ________

A) Ca+2
B) Cl?
C) CO2
D) Na+
E) HCO3?


E

Environmental & Atmospheric Sciences

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Persistent drought is often associated with

A) a series of strong cyclones. B) persistent zonal patterns in upper-level air flows. C) the occurrence of moving meridional patterns in upper-level winds. D) the coast of British Columbia.

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Which of the following countries of Southwest Asia and North Africa has the most diversified economy, and is not reliant on oil?

A) Qatar B) Kuwait C) United Arab Emirates D) Saudi Arabia E) Turkey

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Urban core areas are called CBDs (Central Business Districts)

Indicate whether the statement is true or false

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In 1970, East Asia surpassed Western Europe as the US' chief trading partner

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences