A sailor notices that during every long voyage he and his crew suffers from bleeding gums and tooth loss. He is extremely concerned because once he
reaches home, he doesn't have those symptoms. Assume you are a
medical doctor and tell what vitamin is missing from the voyage diets.

c is the correct answer hope this !

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

request for reexamination