The is should be C, Im not 100% sure though...
Lack of vitamin D has been linked to increased risk for autoimmune diseases.
Hope that helped you.
They would kill the rest of the cells
Electrons are the smallest of the three particles that make up atoms. Electrons are found in shells or orbitals that surround the nucleus of an atom. Protons and neutrons are found in the nucleus. They group together in the center of the atom.
