I will help you narrow it down, because I am not sure how many vitamins you can obtain from unenriched rice, but I do no that any time you would have a deficiency in vitamins, it would be because of not eating enough food that contains certain vitamins in general. So it's between B and C, I am leaning towards B.
I think u are asking of anout the period and it is transpiration
Answer:
Exoskeletons
Explanation:
It provides support and structure just like a backbone
It controls several other hormone glands