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If Earths biosphere were younger we would have oxygen in the atmosphere?
Wiki User
∙ 14y ago
Earths atmosphere dose have oxygen in it, without it we would all be dead we require oxygen to breathe.
Wiki User
∙ 14y ago
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What are the substances that the earths atmosphere contains?
oxygen
What essentials for life are found in earths atmosphere?
The Earths atmosphere protects the earth from meteors and it tgives us oxygen
What makes up Earth's air?
Nitrogen makes up 78% of the earths atmosphere Oxygen makes up 21% of the earths atmosphere
What process adds oxygen to earths atmosphere?
Photosynthesis
How did the meteorite collision at the end of the Mesozoic affected the atmosphere and the biosphere?
The meteorite collision at the end of the Mesozoic era affected the atmosphere and biosphere by increasing the carbon dioxide levels and lowering oxygen levels.
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
Is most of the earths atmosphere covered with oxygen?
no
What percent of earths atmosphere is oxygen?
97%
What are the substances that the earths atmosphere contains?
oxygen
Was there oxygen in the early earths atmosphere?
yes
What is the ineraction between the the atmosphere and the biosphere?
The atmosphere interacts with all living things because it contains oxygen.
Describe oxygen cycle in nature?
Oxygen cycle is the movement of oxygen through the three reservoirs: the atmosphere, the biosphere and the lithosphere.
What essentials for life are found in earths atmosphere?
The Earths atmosphere protects the earth from meteors and it tgives us oxygen
What makes up Earth's air?
Nitrogen makes up 78% of the earths atmosphere Oxygen makes up 21% of the earths atmosphere
The primative earths atmosphere did not contain?
Free oxygen
What process adds oxygen to earths atmosphere?
Photosynthesis
What gas was not part of early earths atmosphere?
oxygen
