The future use of electricity to power personal transportation largely depends on
A) more-efficient turbogenerators.
B) finding more fossil fuel supplies.
C) low-cost, lightweight batteries that can store large amounts of power.
D) the development of small turbogenerators for automobiles.
C
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The International Whaling Commission moratorium on whale hunting has been in effect since 1986 primarily because
A) enforcing and monitoring hunting in the vast open oceans is very difficult. B) virtually all species of whales are classified as endangered species. C) of a worldwide recognition of the tourism value of whales. D) of viral infections that make all whale meat unsuitable for human consumption.
Santa Ana winds have the most in common with a
A) cold-air damming event. B) Boulder windstorm. C) valley breeze. D) blue norther. E) chinook wind.
What are some of the challenges to the survival of protected endemic species in MexAmerica, such as the desert tortoise?
What will be an ideal response?
The Grand Canyon, Ozark dome, Black Hills, and Adirondacks expose ________.
A. the result of delamination B. an ancient magmatic arc C. ophiolites D. a fold and thrust belt E. a Precambrian basement