A cumulus cloud is recognized mainly by its:
A) association with high winds.
B) darkness or color.
C) obvious vertical dimension.
D) precipitation.
E) layered structure.
C
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Factories have reduced demand for petroleum by
A) consuming more coal. B) consuming more nuclear energy. C) switching to solar power. D) switching to natural gas. E) There has been an increase in consumption not a decrease.
Pebbles can be moved by ________ in a process known as ________
A) deflation; saltation B) deflation; surface creep C) saltating particles; deflation D) saltating particles; surface creep
Which of the following best matches the description?Believed that "wilderness mirrors divinity, nourishes humanity, and vivifies the spirit."
A. conservation ethic B. Ralph Waldo Emerson C. industrial ecology D. ethics E. deep ecology F. Rachel Carson G. morals H. environmental justice I. John Muir J. Aldo Leopold K. preservation ethic L. Henry David Thoreau M. development ethic
Why does wave refraction occur?
a. Wave lines approach shore and enter into different depths b. The density of the wave alters in shallow water c. Waves break perpendicularly to the shore d. Waves stack up on shore and bend