The fact that all dogs in the neighborhood begin to howl at the same time every day while you can't hear anything that might cause this response is probably because the dogs
a. can hear sounds we would classify as infrasound
b. can hear sounds we would classify as ultrasound.
c. are disturbed by underground vibrations.
d. require more volume before they can hear the same sounds as you do.
b
You might also like to view...
Kalia wants to approach the birth of her first child as a natural process. Her midwife advises her to use __________ because it is more suited to this approach.
A. an epidural B. the Lamaze method C. a medical center D. sedative drugs
According to the evolutionary theories, men seek as partners women who
a. are similar to them in important attitudes. b. have a good sense of humor. c. are beautiful and youthful. d. have good financial prospects.
The amount of elapsed time between successive vertical solid and dotted lines in the cumulative record is
a. 30 seconds. b. 1 minute. c. 5 minutes. d. 10 minutes.
The primary goal for parents who choose nonparental care for toddlers and preschoolers is