World Geography
The umbra is

both (a) and (b)
None of these
the inner portion of the moon's shadow
formed by tangents to the sun and moon

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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:

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

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