Answer: Total volume of fat in his body is 
Explanation:
Density is defined as the mass contained per unit volume.

Given:
Density of fat cells = 
mass of fat cells = 20% of the mass of a 70 kg student's body is fat= 
Volume of fat = ?
Putting in the values we get:


Thus total volume of fat in his body is 
Most likely c. because heredity is genetics or ancestry
Increasing muscle glycogen stores will need
carbohydrate loading of 8-12g.kg/day, which may contribute 70-85% of total
energy intake. Athletes or physically active individual may use carbohydrate
loading as to gain endurance prior to competition. Thus, helping Cody Roberts to
have better performance by sustaining in the race.
A. She should make sure the website's address starts with https