Human wisdom teeth are examples of ____ since their functionality has changed over time
a. homologous structures
b. analogous structures
c. vestigial structures
d. extra appendage
e. superfluous organs
c
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At which of the following times does a mountain breeze develop its maximum strength?
A. about an hour after sunset B. just before sunrise C. about midnight D. early afternoon
Cultural imperialism is the substitution of one set of cultural traditions for another through persuasion and/or example
Indicate whether the statement is true or false.
Why are bays and estuaries especially sensitive to pollution?
A) The water is stagnant. B) Fresh water can be polluted more easily. C) Few bacteria are present to aid with biodegradation of pollutants. D) Pollution flows out with river water or is released directly by industry in busy ports.
Coal-fired power plants waste about two-thirds of the energy released by burning the coal.
Answer the following statement true (T) or false (F)