The question below consists of a set of labelled sentences. Out of the four options
The question below consists of a set of labelled sentences. Out of the four options
given, select the most logical order of the sentences to form a coherent paragraph.
P. As the Plains was settled and grassland converted for crops and grazing, fires were
seen as a threat and extinguished.
Q. Historically, fires set by lightning burned naturally at regular intervals across the
Great Plains.
R. Native Americans, who saw the benefits, periodically burned the prairie to improve
grazing conditions for buffalo.
S. In the last 50 years, as woody plants began increasing and transforming the
grassland into a shrub ecosystem, fire has returned to the Plains in the form of
controlled burns.
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Correct answer: (D) QRPS
Explanation
Q introduces natural fires on the Great Plains, R shows Native Americans also used fire, P explains settlers suppressed fire, and S describes its modern return as controlled burns. Hence QRPS.