1. (2020·松北模拟) From the table below, we know the height of the mountain in the table is       meters higher than the deepest point of the lake in the table.

Qomolangma	8,848 meters high
The Sahara	9,060,000 square kilometers in size; 4,800 kilometers long
The Caspian Sea	386,428 square kilometers in size; 1,025 meters deep