How might the occurrence of sickle cell anemia change if antimalarial drugs and preventative measures (such as the use of mosquito netting) become more widespread in tropical regions?

true is the final answer!

the man is bald so he has no hair to get wet

the answer is d. exposing corruption in the church

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.