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.
Answer:
Share valence electrons
Explanation:
Covalent bonds are also known as molecular bonds. This is the type of bond that occurs between non-metals and non-metals. This type of bond can happen between two of the same elements or with other elements that are usually positioned near each other in the periodic table.
This is different from ionic bonds where atoms are lost or gained. This type of bonds occur between metals and non-metals.
Answer:
Root hair cells are alive and therefore need energy, which is why root hair cells contain many mitochondria in them. Root hair cells don't contain chloroplasts. Chloroplasts are used by the plant to make food using light energy. Since the roots aren't exposed to any form of light, they have no need for chloroplasts.
Answer:
a
Explanation:
the kidney secretes an enzyme called rennin that helps to control blood pressure is not true the kidney does not secret rennin