When are names given to storms that form in the tropics?
A. when they become fully developed hurricanes
B. when they reach tropical storm strength
C. when their rotation becomes visible on a satellite photograph
D. when they approach to within 250 km of land
Answer: B
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Japan's economy
A) slowed substantially in the 1990s. B) is currently the largest in the world. C) is not as large as China's. D) did not begin to industrialize until after World War II. E) has seen sustained gains in its real estate values over the last two decades.
Totality during a solar eclipse is not totally dark because
A) most of the Earth is basking in sunlight. B) of light from the solar corona. C) the Moon is smaller than the Sun. D) the line between umbra and penumbra is not sharp. E) the Moon is directly in front of the Sun.
What is specific humidity and why is it such a useful measure of water vapor content?
What will be an ideal response?
Which of the following new renewable energy sources has grown faster than the overall energy supply in the last four decades?
a. Geothermal b. Solar c. Wind d. All of the above.