I think it’s D most likely.
Most diseases can't be passed from person to person
The answer is a <span>fulcrum</span>
Causes of Anemia during Pregnancy<span>. The cause of anemia truly comes down to how many red blood cells are being produced in the body and how healthy they are. A fall in </span>hemoglobin<span> levels during </span>pregnancy<span> is caused by a greater expansion of plasma volume compared with the increase in red cell volume.</span>
I think it might be proteins
