What Is the Second Most Abundant Gas on Earth?

Answer

The second most abundant element in the world is silicon, which makes up about 27.7% of our atmosphere. This is very closely followed by aluminum, iron, calcium, sodium, potassium, and magnesium.
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Ask.com Answer for: what is the second most abundant gas on earth
Earth's atmosphere is made up of five layers: the troposphere, stratosphere, mesosphere, thermosphere and exosphere.
The atmosphere itself is primarily composed of three major atmospheric gases: nitrogen (78%), oxygen (20.9%) and argon (.93%). The remaining gases are referred to as trace gases.
Q&A Related to "What Is the Second Most Abundant Gas on Earth?"
Oxygen.
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Oxygen is 2nd at 20.95% Nitrogen is first 78.08%
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Nitrogen gas (N2) comprises 78.08 percent of the atmosphere on earth. Oxygen
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About eight percent of the Earth's crust is aluminum, making it the most abundant metal on this planet. However, it is always found combined with various other elements, never by
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