Bony fish maintain a fluid balance by ________.

A. maintaining high urea concentrations in their tissues
B. almost continuously drinking seawater and excreting salt
C. maintaining the same salinity in tissues as the surrounding seawater
D. excreting salt with feces


Answer: B

Environmental & Atmospheric Sciences

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Which of the following statements about the physical environment is NOT true?

A) The physical environment is not always the pivotal concern in human decisions. B) Due to technology, humans represent the most significant change agents on earth. C) A stable lithosphere provides humans with materials for building and fuel for energy. D) The physical environment is the key factor in social development. E) A people's level of wealth can influence social attitudes toward modifying the environment.

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What will be an ideal response?

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The Dew Point in Houston on March 3 at 6:00 a.m. is 38°F. This means that when the air temperature there reaches 38° F, at that time

A) the air will be very humid. B) dew will evaporate. C) water vapor in the atmosphere will condense. D) dew will freeze.

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