Mt. Everest crossword puzzle

Across
2.	It is short for Global Positioning System
6.	The name of the top of Mt Everest
8.	They use this for shelter on Mt Everest
9.	When two tectonic plates go in to each other it makes this
11.	An upward current of warm air, used by gliders, balloons, and birds to gain height.
12.	Animals that live near Mt.Everest that starts with a y
14.	What is called the mount range that Mt.Everest is
15.	Is one of the first people to climb Mt. Everest that starts with a e
17.	The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
18.	Is one of the first people to climb Mt. Everest that starts with a T
19.	A axe to help you climb Mt. Everest
20.	A way to get Oxygen when up Mt Everest
21.	The first stop on the way up Mt. Everest

Down
1.	She was the first woman to reach the summit
3.	What people use to cover your foot when climbing Mt. Everest
4.	The height of an object or point in relation to sea level or ground level.
5.	Glasses to protect your eye from the snow are called
7.	He skied down Mt. Everest when he was 88 years old
10.	A name that people that call a tour guide and a native
13.	A thing offered, especially as a gift or contribution.
16.	Is the worlds biggest mountain