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Information and IdeasEasy–MediumEvidence that a heating change saved fuel

Information and Ideas practice question

A school claims that fitting new thermostats has reduced its heating fuel use.

Which finding, if true, would most directly support the claim?

  1. A. The school used 18 percent less heating fuel in the winter after the thermostats were fitted than in the previous winter, which had similar weather.Correct
  2. B. The thermostats were expensive to install.
  3. C. Classrooms feel warmer than before.
  4. D. The school has forty classrooms.

Answer: A. The school used 18 percent less heating fuel in the winter after the thermostats were fitted than in the previous winter, which had similar weather.

Less fuel, similar weather.

Why the other answers are wrong

B. The thermostats were expensive to install.
Cost is not use.
C. Classrooms feel warmer than before.
Warmth is not fuel use.
D. The school has forty classrooms.
Size is not fuel use.

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