Answer:
Option A, A closed lake has no outlet stream
Step-by-step explanation:
An open lake is formed at a place where the water is poured in by inlet stream. Open lake also has outlet stream for removal of water. while in a closed lake , water only leaves by the process of evaporation. The water in a closed lake gets salty as it remains standing and when it evaporates it leaves behind salt and other dissolved constituents thereby remaining water salty.
hence, Option A is correct