Assertion : Earth has an atmosphere but the moon does not.
Reason : Moon is very small in comparison to earth.

Options

A. If both Assertion and Reason are true and the Reason Is the correct explanation of the Assertion,
B. If both Assertion and Reason are true but Reason Is not the correct explanation of the Assertion.
C. If Assertion Is correct but Reason Is Incorrect.
D. lf Assertion Is Incorrect but Reason Is correct.

Answer

B