Why are digital images generally used instead of photographs in satellite remote sensing?
a. Digital image data can be beamed back electronically from space.
b. Digital images are similar to a mosaic, made up of grid cells that form a picture.
c. Digital images can reproduce a wider part of the spectrum than photos can.
d. Digital image data can be beamed back electronically from space, and they can reproduce a wider part of the spectrum than photos can.
D
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