A supercell storm consists of a single rotating updraft
a. true
b. false
a
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Which of the following is important in stabilizing resource prices and limiting problems caused by resource scarcity?
A) nonrenewable resources B) source separation C) substitutability D) potential resources
Most rock samples tested by the unconfined compression test fail:
a. along horizontal planes perpendicular to the maximum principal stress b. along planes inclined at an angle to the maximum principal stress c. along vertical planes parallel to the direction of maximum principal stress d. along vertical planes perpendicular to the direction of maximum principal stress
In which of the following classes of organic compounds must there be at least two oxygen atoms?
A) alcohols B) aldehydes C) carboxylic acids D) ketones
The 2004 ________ Ocean tsunami killed an estimated 245,000 people in 13 countries.
A. Indian B. Arctic C. Southern D. Atlantic E. Pacific