Question

-------------- are the highest area of earth surface . ​

Answer 1

Answer:

mount Everest is the highest

Answer 2

Answer:

Mount Everest is called the world's highest mountain because it has the "highest elevation above sea level."

Explanation:

We could also say that it has the "highest altitude." The peak of Mount Everest is 8,850 meters (29,035 feet) above sea level.