The potential energy of a raised block of ice depends on its mass and
A. the length of the path to attain its height.
B. its height.
C. the force required to lift it.
D. all of the above
Answer: B
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The greatest escape speed required is for a rocket launched from
A. the Moon. B. Earth. C. the Sun. D. same for each
Cirrostratus clouds:
A) are more likely to herald coming precipitation than are cirrocumulus clouds. B) contain a mixture of ice crystals and supercooled water droplets. C) are responsible for the halo effect. D) are formed by wind shear.
The major goal of the U.S. earthquake hazard reduction program is to
A) develop an earthquake warning system for southern California B) reduce earthquake hazards through understanding of risks and prediction of hazards C) federally enforce seismic building codes in active areas D) determine the roots of human perceptions of earthquakes
Orographic precipitation can occur when air flows up a mountainside above the lifting condensation level
Indicate whether the statement is true or false