No (except for trace amounts).
Oxygen is chemically active - without plant life continuously forming new oxygen there wouldn't be any on Earth either.
Earth
Only Earth has any significant amount of oxygen in its atmosphere.
All except Mercury, but none of them are breathable.
Earth has an ozone layer in atmosphere. It is present in the stratospheric region. Other planets which have oxygen in their environment might have ozone.Some planets like earth do. Others might have.
Earth is only one planet where gaseous oxygen is found. The Earth's atmosphere is about 21% Oxygen.
Yes, yet i am not shure what names there areanother person said that was a planet called taco land found tomorrow
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Earth's atmosphere has a unique composition compared to other planets. It contains a significant amount of oxygen, which supports the existence of complex life forms. Additionally, Earth's atmosphere has an ozone layer, which protects the planet from harmful ultraviolet radiation. Lastly, Earth's atmosphere is denser than most other planets, allowing for the regulation of temperature and the retention of water on its surface.
The percentage of oxygen in the atmosphere is 20.75%. The atmosphere has many other elements that we breathe in besides oxygen. Oxygen needs to be present for life on earth.
Earth is the only planet known to have a significant amount of oxygen molecules in its atmosphere.
In our solar system there's only one and that's the Earth.
Venus, Earth, Mars