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A reference frame attached to the earth ...

A reference frame attached to the earth with respect to an observer in space

A

is an inertial frame because Newton's laws of motion are applicable in it

B

is an inertial frame by definition

C

cannot be an inertial frame because earth is rotating about its axis

D

can be an inertial frame because earth is revolving around the sun

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The correct Answer is:
C
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