Which phrase accurately describes total body fat

There are 3 correct answers

1. Essential fat needed for normal body functioning

2. A fat used to determine total body mass

3. Type of fat also known as storage fat

I assume their are supposed to be options because it says which phrase so I'm not sure what the answers are, or the options. Comment the options so I can answer this question.

:)

answer; i believe that the correct answer is (essential amino acids);