I WILL GIVE BRAINLIEST which force is a nonconact force?
a. raft floating on water
b. all normal forceses
c. a person pulling a wagon
d, magnetic attracting metal

d, magnetic attracting metal, because the force is still going on without the magnet touching metal, and you cant see the force

Explanation:

Hope this helps <33

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."

double the distance = divide strength by 4