79. Which of the following is true regarding vitamin deficiency?
A. Vitamin C deficiency is now common.
B. Vitamin A deficiency is now common.
C. Americans lack sodium on a regular basis.
D. Americans lack potassium on a regular basis.
80. With regard to nutrient content claims,

explanation:

eventually, the disease can cause permanent damage or deterioration of the nerves. some people with ms experience a gradual onset and steady risk factors.

b) the heart is a pump made of muscle and that is difficult to grow in the lab.

its bassicly asking u   to answer it in your own words does that

again, you should probably take him to the vet. goodluck