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Oxygen's highest level is 100%. Oxygen's lowest level would be 20%.
Yes, in fact oxygen level in the pre-cambrian reach high enough levels to allow multi-cellular life.
the oxygen is 10%
The highest sub level electrons occupy in a Uranium-238 atom is a f-sub level.
exosphere
Oxygen's highest level is 100%. Oxygen's lowest level would be 20%.
2
the period number tells which is the highest energy level occupied by the electrons
The aorta just as it comes out of your left ventricle.
"Tertiary" typically refers to the third level or stage in a sequence. It can also refer to the period in geologic time that followed the Mesozoic era.
I would say the air has the highest level of oxygen but it depends how high up you are.
period blood
The period tells you how many energy levels an atom has.
because their is less oxygen up in the mountains
A period is a horizontal row on the periodic table of the elements. There are seven periods on the periodic table. Each period corresponds to the highest energy level that contains electrons. For example, the elements in the first period have electrons in the first energy level, which is the only energy level available; the elements in the second period have their highest energy electrons in the second energy level; the elements in the third period have their highest energy electrons in the third energy level, and so on.
The Geologic Time Scale is broken up into several periods of time, during which there were great changes in the biodiversity on Earth. We can see distinct changes in the flora (plants) and fauna (animals of each time period. The age range of each period is determined by radiometric dating.
the period number tells which is the highest energy level occupied by the electrons