Question: The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths :
Options
A : 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 ?m
B : 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 ?m
C : 4.2 to 5.0, 7.0 to 15.0 ?m and 1 cm to 30 cm
D : All of these
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