Answer:
b
Explanation:not surre but it shoulb it
Antibodies to common microorganisms have been developed by infancy. <span>An </span>antibody<span> (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein produced mainly by plasma cells that is used by the immune system to identify and neutralize pathogens such as bacteria and viruses.</span>
Answer:
What are the options? If I had to guess NaOH+H2 Na+H2O
Explanation: