The pitch of a sound
a. is determined by the frequency of vibrations of air molecules.
b. depends on the amplitude of the waves.
c. is measured in units of decibels.
d. both (a) and (b) above.
e. all of these answers.
A
You might also like to view...
An incoming pathway for subconscious information derived from the internal viscera is called a(n) ____________________, whereas an incoming pathway for information propagated to the conscious levels of the brain is called a(n) ____________________
Fill in the blank(s) with correct word
Which of the following membranes line surfaces that open to the outside of the body?
a. Cutaneous. b. Serous. c. Mucous. d. Connective.
A 45-year-old man has experienced a thickening of the bones of his wrist and face. Laboratory testing has revealed an increased production of one hormone that could be caused by a tumor. Where is the most likely location of the tumor?
A) posterior pituitary B) pancreas C) anterior pituitary D) thyroid
Which of the following are energy nutrients?
A. carbohydrates, proteins, and lipids B. proteins, water, and minerals C. lipids, minerals, and vitamins D. vitamins, lipids, and carbohydrates E. water, minerals, and vitamins