There is uncertainty among scientists over whether projected atmospheric warming will increase the frequency and intensity of tropical storms and hurricanes. In 2010, a World Meteorological Organization panel of experts concluded that projected atmospheric warming is likely to lead to ____ hurricanes and typhoons.
A. fewer and weaker
B. more but weaker
C. fewer but stronger
D. more and stronger
E. no change in the strength or frequency of
Answer: C
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Which of the following is true of the Trade Winds?
A) They are converging winds around the Sub-tropical High out of the sinking air. B) They are diverging winds in the vicinity of the equator replacing sinking air. C) They are converging winds in the vicinity of the equator at the surface, replacing the rising air. D) They are converging winds as a result of the coming together of the two westerlies. E) They are variable winds that move west to east in the midlatitudes.
The total amount of chemical energy produced by autotrophs, such as plants and phytoplankton, is called gross primary production. The energy that remains after plants use some of the gross primary production to fuel their own metabolism is known as ________.
A) secondary production B) positive primary production C) negative secondary production D) net primary production E) negative primary production
Russia is actually moving backward through the process of demographic transition, a process rarely seen except during times of major wars
Indicate whether the statement is true or false
Lightweight Jane and a heavyweight Jack jump from an airplane and open their same-sized parachutes at the same time. Who reaches a state of zero acceleration first?
A. Jane. B. Jack. C. both at the same time D. not enough information