The human population has increased dramatically over the last 200 years. currently, there are almost 7 billion humans on earth. which of the following factors have contributed the most to the rapid growth of the human population

It's D) biodiversity of plant and animal species

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it