Concept:A temporary salt lake in an arid or semi-arid region is called a playa.
Explanation:In deserts, seasonal rainwater collects in shallow depressions.
After the water evaporates, dissolved salts remain on the ground.
This dried or temporary lake bed is known as a playa.
A wadi is a dry river valley that only carries water after heavy rain.
A bajada is a broad slope formed by coalesced alluvial fans at a mountain base.
A mesa is a flat-topped hill with steep sides, not a lake.
Therefore, the term that matches a temporary salt lake is playa.
Answer:A. playa