When air masses meet each other head on, how is this referred to and what air movements will follow?

Question

Question PPL(A) - Private Pilot License - Meteorology

QuizVDS · Accepted Answer

Convergence resulting in air being lifted

QuizVDS · Answer

Convergence resulting in sinking air

QuizVDS · Answer

Divergence resulting in sinking air

QuizVDS · Answer

Divergence resulting in air being lifted

Id 33 - PPL(A) EN - When air masses meet each other head on, how is this referred to and what air movements will follow?