Which of the following statements is true?
a. vitamin c combines with keratin to promote wound healing.
b. vitamin c minimizes free radical damage in cells.
c. vitamin c destroys viruses that cause the common cold.
d. vitamin c prevents the body from absorbing too much iron from animal foods.

Health is as much a social as a biological concern. analyze whether or not healthcare is equally accessible to people belonging to all strata of american society. what steps has the us government taken to address this problem? suggest one measure that can lead to a comprehensive solution to this problem.