Which is true about the bioelectrical impedance body composition test?
a)It uses electrodes to measure body fat in relation to lean body mass.
b)It can be used to determine the location of fat in the body.
c)The amount of water in the body does not affect the test.
d)The amount of fat will be miscalculated if the person is dehydrated.

Isabel wants to sign up with the online social network teenbook, which she heard about from her friends at school.the teenbook site asked isabel for some personal information to complete her registration.in addition to her full name, teenbook asked for the name of her school, the city where she lives, her age, and her favorite foods.what is the only information that isabel should give to best ensure her safety?