Referring to the figure below, at which of the following points are the pressures in the barometer equal?
?
A. points A and C
B. points C and D
C. points B and D
D. points A and D
Answer: A
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Phytoremediation is a form of bioremediation that
a. is essentially the same, but more costly b. involves the use of photosynthetic bacteria c. produces more air pollution and is thus not as helpful d. involves the use of plants e. can only work on toxic metal leachate
Discuss the stratigraphy of the Grand Canyon. What does this stratigraphy imply about sea
level? What are the formation names of the Grand Canyon rocks? What will be an ideal response?
Most mass wasting is enhanced or promoted by:
a. erosion. b. weathering. c. flash floods. d. wind erosion. e. plate tectonics.
Volcanic eruptions can act as agents for climate change since they:
A) release large amounts of heat. B) cause small changes in the earth's tilt. C) increase the numbers of cyclones. D) increase the amount of evaporation. E) reduce the solar energy at Earth's surface.