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

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

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

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

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World Geography
What are secondary mineral deposits formed in caves called?

Speleothems
Speleogenesis
Pyroclastic debris
Ejecta Blanket

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World Geography
The Penumbra is

the outer portion of the moon's shadow
formed by the tangent that intersects between the sun and the moon
None of these
both (a) and (b)

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