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What gas produced by plants and algae was missing from earths early atmosphere?
Wiki User
∙ 8y ago
Oxygen gas was thought to be missing. Other compounds such as nitrogen and its oxides, carbon dioxide, methane, ammonia, hydrogen, and hydrogen sulfide were believed to be released by volcanos-- they were there.
Source: AP Biology textbook, ed.8, Pearson
Wiki User
∙ 13y ago
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The primary source of earths atmosphere is?
Plants
How can carbon dioxide be removed from the earths atmosphere?
More green plants!
What common gas was not part of Earth's original atmosphere?
Oxygen, now about 20% of the atmosphere, was not part of the original atmosphere of hthe Earth. It was produced by plants, after life developed.
What planet has a nitrogen- oxygen atmosphere?
Earths atmosphere is rich in Oxygen, some 21% of the air is Oxygen. There is oxygen on other planets, but the percentage comes nowhere close to this. The percentage of Oxygen in earths atmosphere is thought to have been much higher in the past, before animals were about, but after the arrival of plants.
Why isn't the oxygen in the earths atmosphere is not used up by the breathing of humans and other animals?
As you breath in oxygen your body exchanges it for carbon dioxide which is the air you breath out. As you and all other oxygen breathing animals do that, the earths plants to the opposite they breath carbon dioxide and release oxygen. That is why it is important to protect the worlds plants. We need each other.
Where does earths atmosphere come from?
Plants
How much do plants and animals depend on earths atmosphere?
If there were no atmosphere, there would be no plants and animals.
The primary source of earths atmosphere is?
Plants
What is the major source of oxygen for the earths atmosphere is?
Plants
What added oxygen to earths early atmosphere?
Photosynthesis by plants
How can carbon dioxide be removed from the earths atmosphere?
More green plants!
Where is most of the oxygen in the atmosphere from?
It is produced by photosynthesis in plants.
What is wrong with earths atmosphere today?
Today the Earth's atmosphere is being destroyed by all the pollution by cars and power plants.
What is main cause of earths atmosphere changing over time to support life?
Green plants evolved adding oxygen to the atmosphere.
What produces oxygen on the planet?
Algae. Their net release of oxygen is greater than the amount produced by all land-based plants together. Most of the Earth's oxygen is produced by plants, both on surface and under water.
What was the earths atmosphere before photosynthesis?
Without life because when plants do photosynthesis, they produce oxygen.
Does air come from the sun?
No. Earth's atmosphere most likely originate from volcanic atmosphere. The oxygen is produced by plants.
