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
Answer:
The chemicals left over after a chemical reaction are substrates or resultants.
yellow represents carbon so there are 6 carbon atoms.
blue represents hydrogen/water atoms so
Red represents the oxygen atoms bonded to the hydrogen atoms.
Since mitosis is the division of cells, in this case, skin cells, it allows the dead skin cells to fall off. Also, mitosis can fix any injuries. Without mitosis, these things would not happen.
With fossils, scientists can use carbon dating to determine the approximate age of whatever fossil they have.