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What is Mercury's main gas?
Molecular oxygen makes up 42% of Mercury's atmosphere.
Is oxygen part of the atmosphere?
Yes, molecular oxygen makes up about 20% of the atmosphere at sea level.
Where did the molecular oxygen in the Earth's atmosphere originate from?
The molecular oxygen in Earth's atmosphere originated from photosynthesis by early microorganisms, primarily cyanobacteria, around 2.5 billion years ago.
Is molecular oxygen a gas?
yes, it forms about 21% of our atmosphere.
Is the atmosphere partly oxygen?
Yes, oxygen makes up 20.9% of the atmosphere.
What percentage of your atmospheric gases is oxygen?
My atmosphere is the same as your atmosphere since we all live on the same planet. Oxygen makes up about 19.5% of the atmosphere.
How did molecular oxygen (O2) enter Earth's atmosphere?
Molecular oxygen (O2) entered Earth's atmosphere through the process of photosynthesis by early photosynthetic organisms, such as cyanobacteria, around 2.4 billion years ago. These organisms released oxygen as a byproduct of converting sunlight, water, and carbon dioxide into energy. Over time, the accumulation of oxygen in the atmosphere led to the development of the oxygen-rich atmosphere we have today.
What percent of oxygen is in your atmosphere?
Oxygen makes up about 21% of Earth's atmosphere.
What percentage of Earth's atmosphere does oxygen take up?
Oxygen makes up about 21% of Earth's atmosphere.
What makes up the bulk of the atmosphere?
oxygen
Can Carbon Dioxide and Oxygen be found in air?
Oxygen makes up roughly 20% of the atmosphere. Carbon Dioxide makes up 0.035% of the atmosphere.
What percent does oxygen make up in our atmosphere?
There is approximately 21 % oxygen in our air.
