Well, Its been discover over 100 years ago.
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
Answer:
:)
Explanation:
Drinking unclean water, eating contaminated food, or coming into contact with infectious excrement can all cause giardiasis. Wash your hands frequently and avoid drinking contaminated water to avoid giardiasis. If you have giardiasis, your doctor may prescribe antibiotics to help you get rid of the infection.
Answer:
Get one that matches you
Explanation:
A good trick to getting a good jump rope is when you grab the jump rope, step ont eh middle of it with both feet. then you grab the handles and pull it towards you. The length should be about your waist and if anything a little bit higher like an inch or so. Never shorter or longer than you waist. That should get a good jump rope. That is the trick that I was taught. I would also suggest getting one that is not made complety out of super light string because any wind and it'll blow easily, or because of it lightness it doesn't get the right speed to pass your head. Hope this helps! =)
I would say C. They are making a cry for help
