Depends on what mountain you are on
If you are on Everest, then the amount of effective oxygen available would be 6.9% (0 altitude would be 20.9)
that is why anyone should always bring oxygen tanks when climbing a high mountain
A state of biological balance, or _HOMEOSTASIS_, is important for the survival of individual cells and _the whole organism_ alike.
Answer:
Occasionally, an X-ray is done to determine the size of the adenoids. Like tonsils, adenoids help to defend the body from infection. They trap bacteria and viruses which you breathe in through your nose. They contain cells and antibodies of the immune system to help prevent throat and lung infections.
Answer:
animal which has not been domesticated is o bear is the answer