What is remote sensing? WHat are the use...

What is remote sensing? WHat are the uses of remote sensing satellites?

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Prmote sensing : Any method of obtaining and recording information from distance is called remote using.
Uses of remote sensing satellites :
(i) These are used for weather forecasting.
(ii) These are used for spy purposes.
(ii) These are used for geological surveys, water sources surveys etc.
(iv) These are used in oceanography.

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