Information and IdeasEasy–MediumEvidence for a mulching claim
Information and Ideas practice question
A gardener claims that covering vegetable beds with a layer of mulch keeps the soil moist for longer after watering.
Which finding, if true, would most directly support the claim?
- A. Mulched beds in the gardener's plot needed watering half as often as bare beds during the same dry spell.Correct
- B. Mulch is sold at most garden centres.
- C. The gardener's vegetables were larger than her neighbour's.
- D. Bare beds warmed up faster in spring than mulched beds.
Answer: A. Mulched beds in the gardener's plot needed watering half as often as bare beds during the same dry spell.
Less frequent watering means the soil stayed moist.
Why the other answers are wrong
- B. Mulch is sold at most garden centres.
- Availability is not moisture.
- C. The gardener's vegetables were larger than her neighbour's.
- Size could have many causes.
- D. Bare beds warmed up faster in spring than mulched beds.
- Warming is not moisture.
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