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In what percent oxygen comprises the weight of earth's continental crust a 12 b 27 c 47 d 63 e 85?
12
What percent of earths atmosphere is oxygen?
97%
What percent of the Sun's photosphere is oxygen?
The Sun's photosphere comprises 0.77% oxygen by mass but is mostly hydrogen (73.5%).
What gas has a percent of volume of 20.95?
if this is math and your asking what gas has a percent by volume 78.09 it is nitrogen
What is the approximate percent of oxygen by volume present in earths lower atmosphere?
The approximate percent of oxygen in Earth's lower atmosphere is around 20.95% by volume.
Approximately 20 percent of the earths atmosphere is made up of which gas?
Approximately 20 percent of the Earth's atmosphere is made up of oxygen.
What else do you breathe out besides carbon dioxide?
The air you breathe comprises three main gases. The largest proportion (79%) comprises the inert gas nitrogen, with oxygen making up 21 percent and carbon dioxide just 0.03 percent
Where can you find oxygen hydroxide in nature?
Its water.... so over 70 percent of the earths surface
What percent of oxygen does the earths grass produce?
The Earth's grass produce 20 to 30 percent oxygen. The other 70 to 80 percent of oxygen is produced by marine plants.
The continental crust contains what percent of oxygen by weight a 47 percent b 2 percent c 97 percent d 12 percent?
obviously something but not known what!
How many elements make up the majority of Earths continental crust?
Oxygen Silicon Sodium Potassium Magnesium Iron
What are gases that make up the earths atmosphere?
The most prominent gases are nitrogen (78 percent), oxygen (21 percent) and argon (nine-tenths of a percent).
