16Hit1600
Expression of IdeasMediumEmphasising a cause-and-effect link

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - In 1815 Mount Tambora erupted in Indonesia. - It threw enormous quantities of ash and sulphur into the upper atmosphere. - Global temperatures fell by about 0.5°C the following year. - Crops failed in Europe and North America in 1816.

The student wants to explain why crops failed in 1816. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. Ash and sulphur from Tambora's 1815 eruption cooled the globe by about 0.5°C the next year, and crops in Europe and North America failed.Correct
  2. B. Mount Tambora is in Indonesia.
  3. C. Crops failed in 1816.
  4. D. Volcanoes can affect the weather.

Answer: A. Ash and sulphur from Tambora's 1815 eruption cooled the globe by about 0.5°C the next year, and crops in Europe and North America failed.

Eruption, cooling, failed crops: the chain.

Why the other answers are wrong

B. Mount Tambora is in Indonesia.
Location only.
C. Crops failed in 1816.
The effect without its cause.
D. Volcanoes can affect the weather.
A generality with no specifics.

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