In a solution of 77 percent nitrogen and 23 percent oxygen, which is the solvent?
A) nitrogen
B) oxygen
C) both
D) neither
E) Gases cannot form solutions.
A
Environmental & Atmospheric Sciences
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Deliberate urban design began as early as
A) the height of the Roman Empire. B) the early medieval period. C) the Renaissance. D) the Baroque period.
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Which of the following conditions favour the development of dust devils?
A. cold, moist days B. hot, dry days C. cold, dry days D. hot, moist days
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During the urea cycle some ATP is converted to ADP and some ATP is converted to AMP. Given that the conversion of ATP to AMP is thought of as equivalent to the consumption of 2 ATPs, what is the total ATP consumption of the urea cycle?
A) 3 B) 4 C) 5 D) 6
Environmental & Atmospheric Sciences
Which pressure unit is most commonly used in aviation?
a. bar b. millibar c. torr d. pascal e. inches of mercury
Environmental & Atmospheric Sciences