A) Forest density
B) Pollution
C) Wetland mapping
D) Medical treatment
Correct Answer: D
Solution :
Remote sensing is the technique to collect information about an object in respect of its size, colour, nature, location, temperature etc. without physically touching it. There are some areas or location which are inaccessible. So to explore these areas or locations, a technique known as remote sensing is used. Remote sensing is done through a satellite.
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