Which of the following colors of the spectrum has the shortest wavelength?
A. red
B. green
C. blue
D. violet
Answer: D
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Over the next several years, global warming is predicted to lead to increases in ____
a. crowding b. violent crimes c. accidents d. gun ownership
"I reject the idea of witchcraft. Disturbed people are sick people who deserve our sympathy, not torture and death.". Who would have been most likely to say these words?
a. Pope Innocent VIII b. Ivan Pavlov c. John B. Watson d. Johann Weyer
A researcher wanted to see how watching movies influenced subjects' IQ scores. She gave IQ tests to subjects following each of two movies. Half of the subjects first saw Titanic followed by Schindler's List, while the other half first saw Schindler's List and then Titanic. Varying the movie order is an example of
a. counterbalancing. b. random sampling. c. selection bias. d. practice effects.
In DNA, adenine is paired with:
a. thymine. c. cytosine. b. guanine. d. polynine.