Which of the following is a member of the fastest growing demographic group in the United States?

You just ordered a pizza from your favorite restaurant and can't wait for it to get here

As time passes, everything you hear sounds like a car driving by. What accounts for your "heightened" sense of hearing? A) Signal-to-noise ratio B) Just noticeable difference C) Signal detection theory D) The quiet environment you are waiting in

Colleen stares at a fixed spot in her bedroom using only one eye. After a while, what might happen to her vision?

a. Any object that slowly crosses her visual field may at one point disappear. b. Any object that she focuses on will begin to rotate, first clockwise, then counterclockwise. c. Objects will become more focused the longer she looks at them. d. Objects will become more distorted the longer she looks at them.