The image below shows a beam of radiation passing between two electrically charged plates. 
Which of the beams is due to a high energy electron?
A. a
B. b
C. c
D. all of the above
E. none of the above
Answer: A
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With increasing distance from an oceanic ridge,
A. the rocks become younger. B. the rocks become older. C. the rocks' ages alternate between younger and older. D. All of the choices; different patterns occur at different ridges.
The United States Clean Coal Power Initiative has developed technology to
A) remove all the carbon dioxide from the effluent stream of coal-fired plants. B) produce synthetic gas from coal and remove or concentrate pollutants generated in the process. C) chemically remove carbon from coal, creating a non-polluting fuel. D) burn coal anaerobically so that the only waste products are water and sulfur oxides.
Velocities for ________ waves in granite are about 5.5 to 6 km/sec, but in water they slow to 1.4 km/sec.
A. Rayleigh B. Love C. S D. P
Judge the following sentence according to the criteria given below: Water is the ideal medium to have within our bodies BECAUSE it facilitates chemical reactions
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.