16Hit1600
Expression of IdeasEasy–MediumEmphasising a quantity

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - A single tablespoon of soil can contain more organisms than there are people on Earth. - Most are bacteria and fungi. - They break down dead material into nutrients plants can use. - Soil forms at about one centimetre per century.

The student wants to emphasise how much life a small amount of soil contains. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. A single tablespoon of soil can hold more organisms than there are people on Earth.Correct
  2. B. Most soil organisms are bacteria and fungi.
  3. C. Soil forms at about one centimetre per century.
  4. D. Soil organisms break down dead material.

Answer: A. A single tablespoon of soil can hold more organisms than there are people on Earth.

The comparison that conveys the quantity.

Why the other answers are wrong

B. Most soil organisms are bacteria and fungi.
What they are, not how many.
C. Soil forms at about one centimetre per century.
Formation rate, not life.
D. Soil organisms break down dead material.
What they do, not how many.

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