501 Critical Reading Questions

a
quickly summarizes the text of those
lines. All the other answer choices are unsupported or contra-
dicted by the given text.
420.
c.
Context clues are your best aid in answering this question, and
an important context clue is given in lines 1 and 2. The author
goes on to state that the water that composes 
the body of a wave is
stationary
, and gives the example of the thrown stone causing rip-
ples in the water. The rock that is thrown is the cause of the agi-
tation of the water. The ripples (or the waves) that surge away
from that agitation are the communication of that agitation mov-
ing through the water. Therefore, choice