Multiple adjustment layers using the same selection

[IamSam]

someone else said can drag one layer mask onto another to achieve the same result,

Yes.........this was me starting with post #2. The thing is you need to know of the different ways to accomplish things in Ps. Wait until you discover smart objects!!!

One Adj Layer with a layer mask made from a selection on the BB



Two Adj Layers with a layer masks made from a selection on the BB

 

[Reddwarf4everOrig]