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Earth has oxygen. But I don't know why you have to call it "free oxygen". It's not really "for free". People have to plant trees in order to receive oxygen. They are the ones that are supposed to be responsible for their lives. Earth supports the humans by giving them a place to plant, that's why it is the only "living planet".
Wiki User
∙ 14y ago
Wiki User
∙ 9y agoThe plant Earth has plenty of oxygen. People who live on earth use the oxygen to breath, which keeps people alive.
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Why is Earth the only planet with oxygen and how is that no other planet does?
Other planets do have oxygen, but not in as high of concentration as we have here on Earth.
Which planet has 20 percent oxygen?
Earth
Which planet has an atmosphere at 20 percent oxygen?
The closest match to this is Earth with about 21%. No other known planet has more than a trace of free oxygen.
What planet has the atmosphere of about 20 percent oxygen?
Earth.
What planet has about 20 percent oxygen in its atmosphere?
Earth
What planet has plenty or oxygen?
earth
Witch planet has Plenty of oxygen?
earth
Is mars a good planet to visit?
yes because its got plenty of oxygen and water
Do any of the planet have oxygen in their atmosphere?
Yes. There is one planet with oxygen in its atmosphere: our home planet Earth.
Why is Earth the only planet with oxygen and how is that no other planet does?
Other planets do have oxygen, but not in as high of concentration as we have here on Earth.
What planet is the only with drinkable water?
Our planet, the Earth is the only planet with drinkable water. It is the only planet in our Solar System with life and oxygen. Without the oxygen, there will be no life and water on Earth.
