Question

4. The Caspian Sea and the Aral Sea form a region of ________​

Answer 1

Answer:The maximum depth of the North Aral Sea was 42 m (138 ft) (as of 2008). The shrinking of the Aral Sea has been called "one of the planet's worst environmental disasters".

Explanation:

Answer 2

The shallow Aral Sea was once the world's fourth largest body of inland water. The remnants of it nestle in the climatically inhospitable heart of Central Asia, to the east of the Caspian Sea.