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:
The use of hot water and soap does not belong to this protocol.
Explanation:
Although hot water may be effective than cold water for washing hands, it is not hot enough to kill bacteria.Besides, it may burn the skin at a temperature at which it can kill bacteria. .Alcohol based- formulation should be used.
Sweating releases toxins from your body. Jenny is running for more than an hour. One of the benefits of jogging is that it can reduce your risk of developing a host of diseases. It is an effective cardiovascular exercise that can benefit your general health.
Answer:
During the restoration, it is not possible to use base materials with great pigmentation due to the aesthetic compromise, such as calcium hydroxide.
In addition, in this clinical situation, OZE, non-resistant / non-hybrid vitreous ionomethanes and pastes that could alter or irritate the dental pulp through the dentin tubules are contraindicated.
Explanation:
In this case, I would place a dentin composite paste, which has the same pigment as the patient's dentin, otherwise, a vitreous ionomer modified with dual-curing resins could be used as a base, where it assures us the possible retouching in it. session and also the complete setting protecting the dentin, obliterating the tubules and having a covalent chemical union with the dentin ... Above these types of base it is ideal to make a selective etching of the enamel with phosphoric acid, placement of the adhesive (resin waterproof) and finally the composite that perfectly matches the patient's color.