Assertion: Mg can bum in the atmosphere of `N_(2)`.
Reason: Mg reacts with `N_(2)` to form nitride.
A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion
B. If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion
C. If Assertion is True but the Reason is False
D. If both Assertion & Reason are False