The fractured surface of ____ cast iron has a light, almost white, thin rim around the dark gray center.

A. gray
B. malleable
C. white
D. alloy


Answer: B

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Extension lines ____.

A. are dashed B. are thick C. touch the object they indicate D. do not quite touch the object they indicate

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John, who works for Dumas Jewelers, has decided to use the weighted attribute method to compare three systems of cutting diamonds for setting into rings, earrings, necklaces, and bracelets. Once the final in­spector and cutting manager scored each of three at­tributes in terms of importance to them, John placed an evaluation from 0 to 100 on each system for the three attributes. John’s ratings for each system follow:

(a) Use the weights below to evaluate the systems. (b) Are the results the same for both individuals’ weights? Why?

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NSC-68 called for

A. the invasion of North Korea by United Nations troops. B. a blockade of the China coast and bombing of Manchuria. C. a program of spying on the Soviet Union. D. the reorganization of the Defense Department. E. a massive increase in military spending.

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The fungal symbiont generally benefits from the mycorrhizal relationship by obtaining ________ from the higher plant

A) micronutrients B) water C) phosphorus D) all of the above E) none of the above

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