Information and IdeasVery hardEvidence for a claim about a lake's past
Information and Ideas practice question
A geologist argues that the lake was once much larger, covering the farmland at its northern end.
Which finding, if true, would most directly support the claim?
- A. Old shoreline terraces, with wave-rounded pebbles and lake-shell beds, run along the hillsides two kilometres north of the present shore.Correct
- B. The lake is fed by three rivers.
- C. The farmland at the northern end is flat.
- D. Local legends describe a great flood.
Answer: A. Old shoreline terraces, with wave-rounded pebbles and lake-shell beds, run along the hillsides two kilometres north of the present shore.
Shorelines where there is now farmland.
Why the other answers are wrong
- B. The lake is fed by three rivers.
- Rivers say nothing about past extent.
- C. The farmland at the northern end is flat.
- Flatness alone is not evidence of a lake.
- D. Local legends describe a great flood.
- Legends are not geological evidence.
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