the oxygen level decreases
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.
Hypoxia
There is no third energy level of oxygen, there is only two. The second energy level has 6 electrons.
Different doctors consider different levels as low. Though 84 to 92 is an acceptable level according to many and others say lower then 92 is not good.
If you are talking about a Human Being, it is the level of Oxygen in that persons Blood. That person had a Oxygen Saturation Level in their Red Blood Cells of 92% Depending on Age and overall Health the Optimal Range is from 94% to 98%. Please note that this is a average guide only, if you want further detailed info, or if you are worried, please contact your doctor.
It means that you blood is not carrying enough oxygen for your whole body and brain to work well. A level of above 95 is satisfactory. Brain uses most oxygen in the whole body
Yes, Beatrix Potter had a collie named Kep. Kep played a significant role in her life and was featured in some of her stories and illustrations, such as "The Tale of Kep" in which Kep saves Beatrix from a bull.
Kep District's population is 10,319.
Kep Province's population is 40,280.
Kep Campaign happened in 1884-10.
Kep Enderby was born on 1926-06-25.
The area of Kep Province is 336 square kilometers.
Kep National Park was created in 1993.
The area of Kep National Park is 50 square kilometers.
very low, the person requires ventilatory support. Blood SpO2 level should be above 90%, and should be aimed to 92%~98%