Sampling and keys

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Match the correct letter with the correct label in the table.

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Light intensity meter

On cloudy days take several readings at each site and calculate average.

Not wiping the PROBE between each reading so moisture is still on it.

Insert PROBE to same depth each time.

Casting a shadow over the light sensor.

Wipe the PROBE between each reading to ensure that moisture from a previous reading does not affect the results.


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