What is a characteristic of total body fat

It can be used to determine body mass percentage

Explanation:

Body mass is defined as the sum of body fat and lean mass values such as blood, organs, and muscles etcetera.

Total body fat is use to determine body mass percentage and it differs between men and women. More body mass percentage means more obesity and that is why people do exercise to reduce body mass percentage.

Hence, the correct answer is "It can be used to determine body mass percentage".

i think she would gain 18 grams

answer; philip zimbardo;