Human can detect wavelengths of light between the ________ rays and the ________ rays
A) X-; gamma
B) X-; ultraviolet
C) gamma; ultraviolet
D) ultraviolet; infrared
E) infrared; radar
Answer: D
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A group of teachers is discussing how children read. Which of them made a TRUE statement?
a. Hester, who said beginning readers sound words out, but advanced readers always retrieve words from memory. b. Fran, who said advanced readers sound words out and only beginning readers use memory retrieval. c. Carolyn, who said that as readers become more skilled, they sound out fewer words and retrieve more words from memory, but will still sound out unfamiliar words. d. Mary, who said sounding out words is quicker than retrieving words from memory.
Which of the following statements about retirement policies is true?
A) Few U.S. retirees experience falling living standards due to generous social security benefits. B) In the United States, time devoted to child rearing is given some credit when figuring retirement benefits. C) In most Western nations, generous social security benefits sustain the standard of living of most workers after they retire. D) When compared with other Western nations, U.S. policies make retirement more feasible for the economically disadvantaged.