Which of the following is a physical property of nonmetals?

a.
they are shiny

b.
they are poor conductors of electricity

c.
they are very strong in the solid form

d.
they are all non-reactive elements

dopamine..

"it was found that some people who were taking the drug l-dopa to raise their levels of dopamine were developing schizophrenic-like symptoms supporting research a strength of the dopamine hypothesis is that there are many studies which have shown support for the neurochemical explanation."

the answer is c. the lower legs are levers, and the knees are fulcrums. the ankles hold the loads.