Vent communities are very rare; only one or two are known, and those are located near the Galápagos islands
Indicate whether the statement is true or false
false
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An entrepreneur wishes to make a profit by purchasing gold by weight at one altitude and selling it at the same price per newton at another altitude. The entrepreneur should
A. buy at a high altitude and sell at a low altitude. B. buy at a low altitude and sell at a high altitude. C. disregard altitude because it makes no difference. D. none of the above
Divergent evolution results in descendants with characteristics that are very similar to their ancestors’ characteristics
a. True b. False
Which of the following is associated with mid-ocean ridges?
a) a great thickness of oceanic sediment trapped within the central rift b) very smooth topography as a result of the sedimentary cover c) melting of the entire thickness of the asthenosphere to produce magma d) compression that buckles the crust forming the ridge e) none of the above
Which of the following best matches the description?Nitrogen, phosphorus, and potassium.
A. biocide B. macronutrients C. organophosphate D. pheromone E. micronutrients F. rodenticide G. weed H. fungicide I. chlorinated hydrocarbon J. auxin K. soft pesticide L. hard pesticide M. herbicide N. macronutrient O. persistent pesticide P. micronutrient Q. biomagnification