Answer:
Sherpas are the local people who are highly skilled and experienced climbers. They are paid to do things such as prepare the route for foreign climbers to follow, fix ropes in place, and carry the necessary climbing kit up the mountain. it is a really risky job.
There is no much important of earth crust in human beings but for the people who r trying to be the scientist or discovers need to learn about it
The sun is in the highest point in the sky. The northern end of Earths axis is tilted toward the sun. The Northern hemisphere receives minimal daylight.