World Geography
Which among the following statements is not correct about Plunge pool?

It is a deep depression in a stream bed at the base of a waterfall
They are often very deep, generally related to the height of fall and the volume of water,
They occur at the mature stage of the river development
It is created by the erosional forces of cascading water

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

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

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World Geography
The sequence of layers of atmosphere from earth to upwards is

troposphere, stratosphere, stratopause, mesosphere , ionosphere
troposphere, tropopause, stratosphere, stratopause, mesosphere, mesopause, ionosphere(thermosphere, thermopause, exosphere)
troposphere, tropopause, stratosphere, thermosphere, exosphere
troposphere, tropopause, stratosphere, mesosphere , exosphere, thermosphere, thermopause

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