Dolphins are able to sleep without drowning because they
a. have gills, like fish do.
b. have a special opening that allows air in but not water.
c. sleep on just one side of their brain at a time.
d. inflate their bodies before sleep, which maintains them floating upright so they can breathe without taking in any water.
C
You might also like to view...
Skinner emphasized which aspect of control?
a. reduction of variability b. providing a standard of comparison c. using groups of subjects d. using statistical control
"My daughter is four years old.". The scale of measurement involved in this statement is
a. nominal. c. interval. b. ordinal. d. ratio.
The statement "I should drive slow so that I can clearly see the sights along the highway" is an example of a(n) _____
A) ?self-instruction B) ?personal rule C) ?attitude D) ?Both a and b are correct.
Which of the following statements about adolescent cigarette use is true?
A. The most effective way to reduce adolescent smoking has been to enforce laws that restrict sales of cigarettes to minors. B. Despite changes in tobacco industry policies, the percentage of smoking adolescents has remained stable over the past two decades. C. Antismoking campaigns have contributed to the steady decline of cigarette use among adolescents. D. The huge increase in the price of cigarettes over the last couple of decades has led to a sharp decrease in the percentage of smoking adolescents.