World Geography
The sidereal month may be defined as

the period of rotation of moon
the period in which the moon completes an orbit around the Earth and returns to the same position in the sky
None of these
the period in which the moon completes an orbit around the earth

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World Geography
Which among the following impact craters of the Earth is/are correctly matched?Lonar crater – Tajikistan Kaali crater – IndiaKarakul crater – EstoniaSelect the correct code from the options given below:

Only 3
Only 2 & 3
None of these
Only 2

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