The index of refraction is the ratio of the speed of light in a vacuum to the speed of light in a medium. Which true statement is based on this definition? Question 3 options:

Materials with a low index of refraction cause light to refract very little.

Materials with a low index of refraction cause light to refract a great deal.

Materials with a low index of refraction do not refract light.

you cant move and you feel like someones pushing you down onto your bed it can feel like you want to get up but you just can't it can be extremely scary

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."

f is prop to m1xm2 double m1 double force