The most common reason given for remaining married by both men and women is that marriage provides a satisfying means of having a good sex life

Cigarette smoke contains more than _____different harmful chemicals

A) 1,000 B) 2,000 C) 5,000 D) 7,000

An object that reflects primarily long wavelength light would most stimulate which category of cone?

a. blue-violet b. green c. red d. yellow e. black-white