When conducting an internal inspection of MacBook Air (13-inch, Mid 2011) for accidental
damage, why is it necessary to remove the battery?

A.
The battery covers all of the spill sensors on the top case.

B.
The battery must be removed to install the battery cover.

C.
The battery is always removed in every repair on this unit.

D.
There are liquid contact indicators on the underside of the battery module.