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The technique of collecting information about an object from a distance without making physical contact with it is(A) Remote sensing(B) Remote control(C) Remote accessing(D) Space shuttle |
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Answer» (A) Remote sensing Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object. In modern usage, the term generally refers to the use of aerial sensor technologies to detect and classify objects on Earth by means propagated signals (e.g. electromagnetic radiation emitted from aircraft or satellites). |
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