How do sand dunes and ventifacts on Mars compare to sand dunes and ventifacts on Earth?
A) They are much larger.
B) They are shaped differently due to the composition of the Martian surface.
C) They are considerably smaller.
D) They are the same.
Answer: D
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The command and control approach to environmental regulation relies on
A. innovation. B. tax shifts. C. cap-and-trade. D. enforcing cleanup. E. tradable resource-use permits.
Human geographers, like most social scientists, begin with
A) model formation. B) observation. C) statistical analysis. D) data visualization.
What type of stream is shown in this figure?
A) Braided stream
B) A stream whose channel has a low sinuosity
C) Meandering stream
D) A stream that lacks point bars
E) All of these are correct.
Which of the following is true of the unsaturated fatty acids found in triglycerides?
A) The double bond generally has the cis configuration. B) The double bond generally has the trans configuration. C) There are approximately equal number of cis and trans arrangements. D) They always contain more than one double bond.