Which force does not have a direct effect on horizontal wind motions?
A) pressure gradient force
B) frictional force
C) gravitational force
D) Coriolis force
C
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Glider A of mass of 1 kg and speed 1 m/s on a friction-free air track collides with a 5-kg glider B at rest. For an inelastic collision the combined-glider speed will be
A. 1/5 m/s. B. 1/4 m/s. C. 1/6 m/s. D. 1 m/s.
A result of globalization, it has been suggested, is that there has been ________.
A. regional divergence B. cultural convergence C. a fracturing of cultures D. cultural hierarchy
Which of the following represents chemosynthesis?
A) carbon dioxide + water + hydrogen sulfide ? sugar + sulfuric acid B) nitrogen + carbon dioxide + energy ? methane + oxygen C) glucose + oxygen ? water + carbon dioxide + energy D) water + carbon dioxide + energy ? glucose + oxygen + water E) glucose + water ? methane + carbon dioxide
The center of an open ocean tidal system is called a/an ________
A) amphidromic point B) cotidal center C) rotary center D) seiche E) tidal flux