Uh. What do i write here?

Blood type A has antigens on the red blood cells with B antibody,

Blood type B has antigens with anti-A antibodies in the plasma.

AB has both A and B antigens, but no antibodies.

Blood type O has no antigens, but both anti-A and anti-B antibodies in the plasma.

Explanation:

Hope this helps, if not sorry :)

your answer is rna to the question.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.