The system diagrammed above is an example of BLANK flow and is BLANK efficient than BLANK flow. Choice A., concurrent; less; countercurrent ,Choice B., concurrent; more; countercurrentChoice C., countercurrent; less; concurrentChoice D., countercurrent; more; concurrentNote:A figure which flows the flow of blood in human

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.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

c is the answer to this question. altitude affects the weather because air molecules evaporate.