16Hit1600
Expression of IdeasEasy–MediumComparing two quantities

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - Mount Everest's summit is 8,849 metres above sea level. - Measured from its base on the ocean floor, Mauna Kea in Hawaii rises about 10,200 metres. - Only about 4,200 metres of Mauna Kea are above sea level. - Mauna Kea is a dormant volcano.

The student wants to emphasise that Mauna Kea is taller than Everest when measured from its base. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. Measured from its base on the ocean floor, Mauna Kea rises about 10,200 metres — more than Everest's 8,849 metres above sea level.Correct
  2. B. Mauna Kea is a dormant volcano.
  3. C. Everest's summit is 8,849 metres above sea level.
  4. D. Only 4,200 metres of Mauna Kea are above sea level.

Answer: A. Measured from its base on the ocean floor, Mauna Kea rises about 10,200 metres — more than Everest's 8,849 metres above sea level.

Both figures, with the basis of the comparison stated.

Why the other answers are wrong

B. Mauna Kea is a dormant volcano.
Not about height.
C. Everest's summit is 8,849 metres above sea level.
Everest alone.
D. Only 4,200 metres of Mauna Kea are above sea level.
The part above sea level, which supports the opposite impression.

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