What is the definition of stress in rocks

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?

Which type of stimulus do mechanoreceptors detect? sound pain heat light

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?