World Geography
Which among the following principle is used by Bats?

law of diffraction
RADAR (Radio Detective & Ranging
law of reflection
SONAR (Sound Navigation & Ranging

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World Geography
Which among the following pairs of weathered landforms is/are not correctly matched?Etchplain – A plain where the bedrock has been subject to considerable subsurface weatheringFlared slope – Small to large indentations in vertical to steeply sloping granular rockSelect the correct code from the options given below:

Both 1 & 2
Only 2
Neither 1 & 2
Only 1

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