Some of the Error in Estimating Body Fatness from Hydrostatic

Multiple Choice

Some of the error in estimating body fatness from hydrostatic (underwater) weighing is related to

A) error in the measurement (or estimate) of the volume of gas in nasal passages.
B) error in the measurement or estimate of the volume of gas in the lungs,airways,and gastrointestinal tract.
C) error in measurement of gas trapped in the oral cavity
D) None of the above answers are correct