Oxygen is the second most common/abundant gas in the air that we breathe. Nitrogen is the most abundant gas in the air we breathe. The composition of air is often treated as 79 mole or volume percent N2 and 21 mole or volume percent O2.
The second most common element on Earth is silicon, which makes up about 28% of Earth's crust. The most common element found on a Earth is oxygen which is about 47%.
Silicon.
This gas is oxygen - 20,946 %.
In dry air it is argon, but under typical conditions, it is water vapor.
Marijuana
It is the second most common atom found in the earth's crust
The second most common word is 'be'
The second most common letter in the English language is "e." It is found in many common words and occurs frequently in everyday writing.
Argon, with a concentration of 0,934 % in the dried air.
The second most common vowel in the English language is 'I'. The most common vowel is 'E'.
The second most common element on Earth is silicon, after oxygen. Silicon is a non-metallic element that is abundant in Earth's crust, mostly found in the form of silicon dioxide (silica) in rocks and minerals.
Christianity is the second most common religion in Africa, with Islam being the most common.