Oxygen makes up 21% of the Earths atmosphere.
Nitrogen makes up 78% of the Earth's atmosphere. Oxygen makes up about 21%.
The percentage of oxygen in the atmosphere is approximately 21%. Nitrogen makes up 78% and the last 2% percent is a mixture of various different gases, mostly argon.
The gas that makes up 93% of Earth's atmosphere is nitrogen. Oxygen is the second most abundant gas, making up around 21%.
No, oxygen makes up about 21% of Earth's atmosphere. Nitrogen is actually the most abundant gas, making up about 78% of the atmosphere.
Oxygen makes up about 21 percent of the Earth's atmosphere. It is essential for the respiration of most living organisms and plays a crucial role in various chemical processes, including combustion. Oxygen is produced primarily by plants during photosynthesis.
Oxygen makes up 21 percent of Earth's atmosphere.
Oxygen is the gas that makes up about 21 percent of the Earth's atmosphere.
Nitrogen makes up 78% of the Earth's atmosphere. Oxygen makes up about 21%.
Oxygen makes up about 21% of Earth's atmosphere.
There is approximately 21 % oxygen in our air.
Oxygen makes up approximately 21% of the Earth's atmosphere.
the percentage of oxygen in the atmosphere today is about 20.95%. Or... if you round it you get the most common answer of 21%.
No, 21% of Earth's atmosphere is oxygen. Nitrogen makes up 78%.
No, oxygen makes up about 21% of Earth's atmosphere. The majority of the atmosphere is made up of nitrogen (roughly 78%).
Oxygen makes up about 21% of Earth's atmosphere by volume.
Nitrogen makes up around 78% of the Earth's atmosphere, while oxygen makes up around 21%.
The percentage of oxygen in the atmosphere is approximately 21%. Nitrogen makes up 78% and the last 2% percent is a mixture of various different gases, mostly argon.