A major advantage of hydrogen?generated electricity over other new renewable energy sources is that it ________
A) is less expensive
B) already has an infrastructure in place for using hydrogen as fuel
C) creates greenhouse gases but no acid deposition
D) can be produced where and when electricity is needed rather than being intermittent
E) converts the kinetic energy of earth processes to electrical energy
D
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57) The International style drew primarily from the ________ tradition of urban design
A) Modern B) Beaux Arts C) City Beautiful D) Postmodern E) Greek
Classically there are three kinds of resources, which are
A. oil, labor, and capital. B. land, water, and air. C. land, labor, and water. D. labor, capital, and land.
Why did digging channels in the Everglades disturb the habitat?
A. It decreased water residence time. B. It increased water residence time. C. It kept water residence time from changing.
What type of volcanic peak is steep-sided and composed of loose pyroclastics?
A. plutonic B. composite C. cinder cone D. shield E. lava dome