Body composition is the ratio of body fat to muscles.
fat mass
dark-line... :)
Analytical chemistry is the study of methods used to determine the chemical composition of materials.
A spectrometer.
Spectrograph.
The body composition is a series of tests used to compare the proportion of fat mass to lean mass. Fat mass is defined is the essential fats plus the stored fats.
The purpose of stellar spectroscopy is to determine the chemical composition of stars, the temperature and some other characteristcs..
Either the amount of heat released from the body in sealed chamber or oxygen consumed by body in sealed chamber can be used to determine a person's metabolic rate.
Psychic readings.
the legnth of stay at your current residence
Percussion