Respuesta :

Number 4 is the Caspian Sea

Right answer: Caspian Sea

The Caspian Sea is a lake with a considerable percentage of salt in its waters, located between Europe and Asia. It is the largest endorheic basin on Earth, that is, water has no fluvial outlet to the ocean.

It is surrounded by five countries which share their natural resources: Russia, Iran, Azerbaijan, Kazakhstan and Turkmenistan.