0
What else can I help you with?
The primitave earths atmosphere did not contain?
Oxygen gas
What two gasesmake up most of earths atmosphere?
Nitrogen and Oxygen
Is oxygen found outside earths atmosphere?
Yes. Earth's atmosphere is about 21% oxygen. Without it, the vast majority of life we see, including humans, could not exist.
What air do you breath on earth?
Earths atmosphere is mostly nitrogen (78%) and Oxygen (21%).It is the oxygen that is the essential gas for breathing.
How did the earths atmosphere change composition to become todays nitrogen and oxygen atmosphere?
your question is... How did the Earth`s atmosphere change composotion to became today`s nitrogen and oxygen atmosphere? Answer: it happend with the help of solar untraviolet (uv) radiation,the very thing what we worry about now for its cancer-causing ability
How much of the earths atmosphere is made up of nitrogen and oxygen?
The earths atmosphere is made up of 78% nitrogen and 21% oxygen
What percent of earths atmosphere is oxygen?
97%
Is most of the earths atmosphere covered with oxygen?
no
The primitave earths atmosphere did not contain?
Oxygen gas
The primative earths atmosphere did not contain?
Free oxygen
What is the major source of oxygen for the earths atmosphere is?
Plants
What gas was not part of early earths atmosphere?
oxygen
What are the primary gases found in earths atmosphere?
Nitrogen and oxygen,
Was the earths early atmosphere made up of mostly oxygen?
no
What describes the earths atmosphere?
mostly nitrogen with 21% oxygen
What was the major contributor of oxygen to earths early atmosphere?
photosynthsis
How much is the earth atmosphere is made up of nitrogen and oxygen?
The earths atmosphere is made up of 78% nitrogen and 21% oxygen
