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  • Stage 1

    Answer 4 questions correctly in a row.

The map below shows humidity in the lower atmosphere on May 3, 2013. The map shows specific
humidity,
a measurement of the amount of water vapor in the air. The outlined area shows an air mass that influenced weather in North America on that day.
Look at the map. Then, answer the question below.
Data source: United States National Oceanic and Atmospheric Administration/Earth System Research Laboratory, Physical Sciences Division
Which specific humidity level was measured within the outlined area shown?
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