Click on the gaps to select the correct answers for the context.
About this exercise type...Four main regions of the spectrum of electromagnetic radiation are of interest for remote sensing. In the context of this module these regions are defined as follows (longest to shortest wavelength):
The first region is the _ range. It covers wavelengths from _ down to _.
The next region is the _ range. It covers wavelengths down to _.
The next region is the _ range. It covers wavelengths down to _.
The next region is the _ range. It covers wavelengths down to _.
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