Why do some red blood cells undergo programmed death? they are healthy. the body must balance the blood cell count. their concentration is too low. there is too much oxygen in the blood.

I think the answer is B.

The body must balance the blood cell count.

The answer is a i believe

Tamarind can be grown on homesteads, plantations, and wasteland or as a forest tree. methods of propagating tamarind there are two methods of propagating tamarind trees: seed propagation and vegetative propagation. seed propagation: it involves the collection, preparation and direct planting of the seed.answer from google full credit to google.