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?
- A. A single tablespoon of soil can hold more organisms than there are people on Earth.Correct
- B. Most soil organisms are bacteria and fungi.
- C. Soil forms at about one centimetre per century.
- 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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