What kind of animal is this? it was found in a lake.

Familial hypercholesterolemia, an autosomal dominant disease, is five times more frequent in the afrikaner population of south africa than in the original population of europe from which the ancestors to the afrikaners immigrated. what does this demonstrate?

Whay is the following best defines climate

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?