The correct answer is option B.
<u>B. "Frances Hodgson Burnett." penguin.com. The Penguin Group ,2014. Web. 14 March 2014.</u>
This is the correct answer because includes the name of the source, the date an the channel where it was posted.
The answer in detail:
basically, the spelling is 'pizza' and you spell it, 'p i z z a'.
<span>The answer is timbre. Timbre is a feature of the sound, which is a wave. Other features of sound are pitch (related with frequency) and loudness. Timbre is the feature of sound that permit ear to distinguish sounds with the same frequency and loudness.</span>
