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Approximately 20 percent of the earths atmosphere is composed of?
Oxygen (O2) 21%, Nitrogen (N2) 78%, and traces of other gases like argon, carbon dioxide, and neon.
How many percent air is on the Earth?
Approximately 21% of Earth's atmosphere is composed of oxygen.
What is the percentage of oxygen in earths air?
The Earth's atmosphere is composed of about 21% oxygen. This level is important for supporting life on our planet.
What is the approximate percent of oxygen by volume present earths lower atmosphere?
Oxygen makes up about 21% of Earth's lower atmosphere by volume.
What is 78 of the earths atmosphere composed of?
78% of Earth's atmosphere is composed of nitrogen. Oxygen makes up about 21% of the atmosphere, while the remaining 1% consists of various other gases such as argon, carbon dioxide, and water vapor.
Approximately 20 percent of the earths atmosphere is composed of?
Oxygen (O2) 21%, Nitrogen (N2) 78%, and traces of other gases like argon, carbon dioxide, and neon.
How many percent air is on the Earth?
Approximately 21% of Earth's atmosphere is composed of oxygen.
What is the percentage of oxygen in earths air?
The Earth's atmosphere is composed of about 21% oxygen. This level is important for supporting life on our planet.
What is the approximate percent of oxygen by volume present earths lower atmosphere?
Oxygen makes up about 21% of Earth's lower atmosphere by volume.
What is 78 of the earths atmosphere composed of?
78% of Earth's atmosphere is composed of nitrogen. Oxygen makes up about 21% of the atmosphere, while the remaining 1% consists of various other gases such as argon, carbon dioxide, and water vapor.
What are gases that make up the earths atmosphere?
The most prominent gases are nitrogen (78 percent), oxygen (21 percent) and argon (nine-tenths of a percent).
What is earths atmosphere is primarily composed of?
the earth first atmosphere is troposphere
WHAT IS THEAPPROXIMANT PERCENT OF OXYGEN BY VOLUME PRESENT IN EARTHS LOWER ATMOSPHERE?
The approximate percentage of oxygen in Earth's lower atmosphere is around 21% by volume.
Makes up 21 percent of the atmosphere?
Oxygen makes up 21% of the Earths atmosphere.
What gas is nearly 21 percent of earths atmosphere?
oxygen . hey people googling there science hw. join the club :)
What percentage of the Earth's atmosphere is composed of oxygen?
About 21% of the Earth's atmosphere is composed of oxygen.
How much of earth's atmosphere is composed of nitrogen gas?
The earths atmosphere is made up of 78% nitrogen and 21% oxygen
