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
Some factors that affect your health you can control are: physical environment, heredity, culture, social environment, behavior, and attitude.
B I would say because steriods pust something in your systems that makes you energetic and gives you chemicals to make you stronger so I would say Low energy
Ice baths-as they help to mend the broken muscles
pickle juice-helps prevent cramping
