The amount of physical energy in a sound wave determines its ______.
A. complexity
B. pitch
C. amplitude
D. frequency
Answer: C
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Two factors that help regulate our natural sleep/wake cycles are
A. melanin and auditory stimulation. B. melatonin and auditory stimulation. C. melatonin and light. D. light and blood sugar levels.
The theories of the behaviorists were originally based on the research of Ivan Pavlov
Indicate whether this statement is true or false.
What is an effective way to reduce prejudice?
a. ask children to play different roles that involve being discriminated against. b. decrease the amount of contact people have with members of different groups. c. stress the ways in which people in one group are different from people in other groups. d. be more like young children in terms of the amount of prejudice towards others.
According to the map in the chapter, which continent has the lowest life expectancy overall?
a. North America b. Africa c. Eurasia d. South America