World Geography
Which among the following statements is/are correct about Petroleum?Petroleum is an inflammable mixture of oily hydrocarbons.Most of the oil comes from synclines rather than anticlines.Select the correct code from the options given below:

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

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World Geography
The Penumbra is

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

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