Which theory of color vision holds that there are three types of cones that respond to red, green, and blue with other colors resulting from combinations of these three?

Proponents of the death penalty might use social psychological data to assert that it could become an effective deterrent if

A) criminals were made aware of the death penalty. B) it were more selectively applied. C) it were more broadly applied. D) law enforcement can work more efficiently and swiftly. E) the criminal justice system becomes more "colour blind."

What distinguishes the old-old from the young-old?

years of age details of living arrangements degree of positive or negative attitude reductions in physical or mental ability