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The troposphere
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The troposphere contains 75 percent of atmosphere's mass- on an average day the weight of the molecules in the air is14.7 lb..(sq. in.)- and most of the atmosphere's water vapor.
Yes, Saturn has an atmosphere. It is made of 75 percent hydrogen and 25 percent helium and has trace amounts of methane and water ice.
The Earth has an atmosphere of 78% nitrogen (and 21% oxygen).
nitrogen is the most abundant gas about 70 percent is nitrogen in atmosphere
Nitrogen - forms about 79-80 percent of Earth's atmosphere.
In Earth's atmosphere, Nitrogen, almost 80 percent.
Yes.It's actually the most abundant gas in the atmosphere( roughly 78% percent of the total volume)
Nitrogen (N2) is the most abundant gas in the Earth's atmosphere having percent volume of 78.8 compare to Oxygen 20.95 %, which falls on the second place after Nitrogen.
It will if all components are included.
Oxygen is the most abundant element on Earth. It comprises 49.5 percent of the total mass (amount) of the Earth's crust, waters, and atmosphere.
oxygen --- I started to leave this because it is the wrong answer.
Nitrogen leads the way, with Oxygen running second. The rest are not "abundant", but on a humid day water vapor can get up to 4 or 5 percent.
This gas is oxygen.
Roughly 99 percent
The nitrogen and oxygen in Earth's atmosphere together account for a speck more than 99% of it..