Hurricane-generated tornadoes
A) are most common in the left-forward quadrant of the hurricane.
B) are formed in part by the force of friction on the hurricane's winds.
C) typically last longer than other types of tornadoes.
D) cluster around the center of the hurricane.
Answer: B
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The next frontier in resource extraction in the region may be
A) oil-tar sands B) deep -sea mining C) the generation of electricity from tidal currents D) hydraulic fracking E) wind turbines erected on platforms erected in deep oceanic waters
A dependency ratio of 65 represents
A) that only those over 65 are dependent on government services. B) that the population is a greying population. C) that more women are expected to enter the labor force. D) that for every 100 people, 65 are dependent on the current labor force. E) that for every 100 people, 35 are dependent on the current labor force.
Your environmental worldview describes
A. your environmental ethic. B. whether you are a creationist or evolutionist. C. your perception of the role of Homo sapiens in the universe. D. your assumptions and values that reflect how you think the world works and what you think your role in the world should be. E. your political ideology that defines one's perception of the health of the planet.
Assuming that all other factors are equal, on a cold winter afternoon the amount of dissolved O2 in a lake will be
A) more than on a hot day because the decreased energy in colder water makes O2 molecules less likely to escape to the atmosphere, and biological oxygen demand will be higher than on a hot day. B) less than on a hot day because the decreased energy in colder water makes O2 molecules more likely to escape to the atmosphere, and biological oxygen demand will be higher than on a hot day. C) more than on a hot day because the decreased energy in colder water makes O2 molecules less likely to escape to the atmosphere, and biological oxygen demand will be lower than on a hot day. D) less than on a hot day because the decreased energy in colder water makes O2 molecules more likely to escape to the atmosphere, and biological oxygen demand will be lower than on a hot day.