Expression of IdeasMediumEmphasising a contrast in size
Expression of Ideas practice question
While researching a topic, a student has taken the following notes:
- The blue whale's heart weighs about 180 kilograms.
- A human heart weighs about 300 grams.
- The blue whale's heart beats about 8 times a minute.
- A human heart beats about 70 times a minute at rest.
The student wants to emphasise how much larger a blue whale's heart is than a human's.
Which choice most effectively uses relevant information from the notes to accomplish this goal?
- A. A blue whale's heart, at about 180 kilograms, weighs some six hundred times as much as a human heart's 300 grams.Correct
- B. A blue whale's heart beats about 8 times a minute.
- C. A human heart weighs about 300 grams.
- D. A human heart beats about 70 times a minute.
Answer: A. A blue whale's heart, at about 180 kilograms, weighs some six hundred times as much as a human heart's 300 grams.
Both weights, and the ratio.
Why the other answers are wrong
- B. A blue whale's heart beats about 8 times a minute.
- A rate, not a size.
- C. A human heart weighs about 300 grams.
- One weight only.
- D. A human heart beats about 70 times a minute.
- A rate, not a size.
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