Which of the following is the best example of uniform circular motion? a. a child riding on a constantly spinning merry-go-round b. a car on a road curving back and forth as it passes through hills c. a pendulum bob swinging back and forth in a curved path d. a baseball that is hit up and out of the park for a home run

A. because as the merry-go-round spins the child accelerates towards the center of the merry-go-round at a uniform rate.

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."