A(n) ________ stream is one that exhibits a delicate balance between its transporting capacity and the sediment load available to it.
A. incised
B. beheaded
C. consequent
D. graded
E. ephemeral
Answer: D
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All crystals of a mineral will have the same:
a. chemical composition (or chemical compositions that vary between fixed limits) b. angle between corresponding crystal faces c. internal structure d. all of the above
Reduction in arctic sea ice is expected to cause _______ in sea level, and the loss of the Greenland ice sheet is expected to cause _________ in sea level.
Fill in the blank(s) with the appropriate word(s).
Energy transfer between trophic levels in aquatic systems is generally
A) less efficient than terrestrial food pyramids. B) less efficient than a detritus food web because aquatic systems lack fungi. C) inverted, in which more energy is transferred from one trophic level up to the next. D) more efficient than terrestrial food pyramids.
Of the following places in Australia/Oceania, which was the first to be settled by humans?
A) Australia B) Fiji C) Cook Islands D) Hawaii E) New Zealand