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Information and IdeasHardEvidence that lorries, not an earthquake, cracked a bridge

Information and Ideas practice question

An engineer argues that the cracks in a bridge were caused by heavy lorries rather than by the earthquake of 2019.

Which finding, if true, would most directly support the claim?

  1. A. Photographs from 2017 show the same cracks at a smaller size, and the cracks are widest on the lane that lorries use and absent on the pedestrian side.Correct
  2. B. The earthquake of 2019 was mild.
  3. C. Many lorries use the bridge.
  4. D. The bridge was built in 1965.

Answer: A. Photographs from 2017 show the same cracks at a smaller size, and the cracks are widest on the lane that lorries use and absent on the pedestrian side.

Cracks before the quake, and where the lorries go.

Why the other answers are wrong

B. The earthquake of 2019 was mild.
A mild quake could still crack a bridge.
C. Many lorries use the bridge.
Use alone does not show cause.
D. The bridge was built in 1965.
Age fits either cause.

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