(a)

Part A
In paragraph 2, what does the word exude mean?

A
to project
B
to disguise
C
to assist
D
to calculate
(b)

Part B
Which statement from paragraph 2 supports the answer to Part A?
A
". . . standing in a cylinder of sound . . . ."
B
" . . . which humans cannot hear . . . ."
C
" . . . emit audible tones as they interact with air . . . ."
D
" . . . describing these interactions mathematically . . . ."

1 answer

(a) The word "exude" in paragraph 2 means:

A. to project

(b) The statement from paragraph 2 that supports the answer to Part A is:

C. " . . . emit audible tones as they interact with air . . . ."