The troposphere holds more than ________ percent of the atmospheric mass
A) 50 B) 75 C) 85 D) 90 E) 99
D
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Blizzard conditions must include ____
a. winds over 56 km/h in the United States b. dry, dusty snow c. air temperatures below 0° F d. winds over 70 mph in Canada e. whiteout
The western intensification causes water to pile up ________, forcing it to flow ________ in strong currents
A) along western shores of continents; downward, then eastward B) around the subtropical highs; in all directions C) at the equator; eastward and westward D) against eastern shore of continents; northward and southward
The Denali Pipeline in ________ was designed to withstand displacement from earthquakes in order to prevent oil spills
A) California B) Hawaii C) Alaska D) Mexico
Ozone can be created by all of the following processes EXCEPT
A. lightning during thunderstorms. B. sunlight acting on hydrocarbons. C. UV-C radiation in stratosphere. D. scattering by UVB and UVC radiation.