Rhetorical Synthesis

SAT Reading and Writing· difficulty 2/5

While researching a topic, a student has taken the following notes:

<ul> <li>The Northern Lights are also known as the aurora borealis.</li> <li>They occur primarily in high northern latitudes.</li> <li>Their southern counterpart is the aurora australis.</li> <li>Both auroras are caused by similar atmospheric processes.</li> <li>They are most visible during periods of high solar activity.</li> </ul> The student wants to introduce the Northern and Southern Lights to an audience unfamiliar with them. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Which choice most effectively makes the student's point?

  • A

    Both are most visible during high solar activity.

  • B

    Both auroras are caused by similar processes.

  • C

    They are caused by atmospheric processes.

  • D

    The Northern Lights, or aurora borealis, occur in high northern latitudes; their counterpart in the Southern Hemisphere is the aurora australis.

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Explanation

An introduction names and locates the subjects. Choice C names both auroras and identifies their hemispheres. The others assume familiarity.

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