Which of the following eruptive materials can be described as basaltic, vesicular ejecta found around cinder cone volcanoes?
A) Tuff
B) Scoria
C) Lapilli
D) Pumice
Answer: B
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Which of the following correctly tallies the earth's shortwave-radiation balance?
A) planetary albedo – 4%, atmospheric absorption – 31%, surface absorption – 65% B) planetary albedo – 10 %, atmospheric absorption – 20%, surface absorption – 70% C) planetary albedo – 31%, atmospheric absorption – 20%, surface absorption – 49% D) planetary albedo – 70%, atmospheric absorption – 20%, surface absorption – 10%
The concentration of atmospheric lead increased substantially during the 1990s
Indicate whether the statement is true or false
The term "parallels" refers to:
a. lines of longitude. b. lines of latitude. c. lines of meridian. d. great circle routes.
Which of the following best matches the description?Early critic of rampant economic development and the "invasion of nature by trade."
A. deep ecology B. development ethic C. morals D. Aldo Leopold E. industrial ecology F. preservation ethic G. ethics H. John Muir I. Rachel Carson J. environmental justice K. Ralph Waldo Emerson L. conservation ethic M. Henry David Thoreau