Explanation:
2H2(g) + O2(g) → 2H2O(l )
Nitrogen is 78.08% of the air is fills the earth's atmosphere.
Answer:
The correct answer is from areas of high concentration to low concentration.
Explanation:
A concentration gradient exists for these molecules, so they have the potential to diffuse into (or out of) the cell by moving down it.
Hope this Helps!
The elements are listed in order of increasing the atomic number. Its the number that is the number of protons in the nucleus of an atom.