Many areas now have ________ plantations, in which trees are planted and harvested as crops (much as we do in agriculture), although on cycles of a few decades rather than just a single year
A) crop rotation
B) harvestable crop
C) sustained yield
D) yield management
E) partial extraction
Answer: C
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All of the following are sustainable development goals agreed to by member countries of the United Nations EXCEPT
A. provide productive employment for all. B. eliminate war. C. end poverty. D. sustainably use land and ocean resources.
According to the sounding, air within the 800-700 mb layer is
A) absolutely unstable. B) conditionally stable. C) neutral. D) absolutely stable.
Which of the following best describes the fumaroles that exist in Yellowstone National Park?
A) Hot springs so hot that they create steam and vent sulfuric acid B) Lava deposits that are constantly heated from superheated gases in the ground below. C) Smoke from lava pits below ground that vent to the surface through cracks. D) Lakes that are heated by underground pyroclastic flows.
Which of the following linkages is found in sphingolipids?
A) sphingosine-choline-phosphate B) sphingosine-phosphate-choline C) phosphate-sphingosine-choline D) none of the above