16Hit1600
Information and IdeasHardReading a table of a river's flow

Information and Ideas practice question

Average flow of a river at a gauge (cubic metres per second) Month | 2014 | 2024 January | 80 | 110 July | 12 | 6 A hydrologist notes that the river's flow has become more extreme: ____

Which choice most effectively uses data from the table to complete the statement?

  1. A. the January flow rose from 80 to 110 cubic metres per second while the July flow halved, from 12 to 6.Correct
  2. B. the July flow was 6 cubic metres per second in 2024.
  3. C. the January flow rose between 2014 and 2024.
  4. D. the river flows more in January than in July.

Answer: A. the January flow rose from 80 to 110 cubic metres per second while the July flow halved, from 12 to 6.

Wetter winters, drier summers.

Why the other answers are wrong

B. the July flow was 6 cubic metres per second in 2024.
One figure.
C. the January flow rose between 2014 and 2024.
Half the point.
D. the river flows more in January than in July.
True in both years, not a change.

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