GAW Contest Day 3

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We have reached Tuesday of Geography Awareness Week and we have another chance to win a copy of Field Assets for iPhone or a piece of VerySpatial SWAG from our shelf for you as well as the winners from day 2. For those of you just joining us please keep in mind that you must have access to the US iTunes store to redeem the codes for Field Assets and that each day we start anew tossing out all entries from the previous day(s). Today we go all remote sensing-y with the question: What wavelength results in green (in nanometers)?
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