I believe it is the high latitudes are very cold
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.
Answer:
The greatest angle is 
Explanation:
According to angle sum property of a triangle, sum of all the angles of a triangle is equal to
°.
The given angles of a triangle are 
Therefore,
°
°
°

≈ 87.2°
≈ 71.8°
≈ 20.9°
Therefore, greatest angle is 
Continental crust is 2.7-3.0
Oceanic crust is 3.0-3.3
Mantle is 3.3-5.7
Outer core is 9.9-12.2
Inner core is 12.6-13.0