the oxygen level decreases
65% by mass
Because due to the over pollution and cutting down the tree's level of Oxygen is decreasing .The level of Nitrogen always remains constant in the atmosphere . The level of Nitrogen doesn't' depend on the level of the Oxygen level.
The oxygen level remains about the same, but the density of the air is reduced.
65 million
I personally think that the best party is... Charizard - Level 80 Dragonite- Level 75 Mew - Level 65 Lapras - Level 65 Nidoking - Level 65 Arcanine - Level 65
Oxygen
Oxygen is moving by simple diffusion. It is going from a higher level of oxygen (air) to lower (blood).
it means that 70% of what is in the air is oxegon
You can't you will have wait and level by getting XP until you get up to level 65!
moderators can be up level 70 or more but we are only 65
65% of our bodies is made up of oxygen.
You cant. You have to be level 65
level 65
Approximately 83% of the human body is either oxygen or carbon. About 18% percent of the human body is carbon and around 65% is oxygen.
Oxygen
heck yea!