WebFeb 6, 2012 · The element Nitrogen (N) makes up about 78% of the Earth's atmosphere. Nitrogen is a gas at room temperature and has the atomic number 7. Nitrogen is in … WebOct 11, 2011 · What element makes up approximately 78 percent of the earths atmosphere? ... What is over 99 percent of the atmosphere in pure dry air composed of? Nitrogen 78%, oxygen 21%.
What makes up 78 percent of the air and found in the 15th group ...
WebMay 5, 2024 · Air is made-up of about 21% oxygen, 78% nitrogen and less than 1% other gases including carbon dioxide and water vapor. Fire only needs about 16% oxygen to burn. Without oxygen, fires won't burn. Water vapor in the air, or high relative humidity values, help to keep fuel sources moist. WebApr 15, 2024 · The most abundant naturally occurring gas is Nitrogen (N2), which makes up about 78% of air. Oxygen (O2) is the second most abundant gas at about 21%. The inert gas Argon (Ar) is the third most abundant gas at . 93%. What makes up about 78 percent of Earth’s atmosphere? What gas makes up about 78 percent of Earth’s atmosphere? … how to install a cctv camera
Composition of the atmosphere - BBC Bitesize
WebThe air you breathe is made up of lots of other things besides oxygen! Oxygen only makes up about 21% of air. About 78% of the air you breathe is made up of another gas called nitrogen. There are also tiny amounts of other gases like argon, carbon dioxide and methane. Plant and animal life on earth can’t survive without air. WebThis element makes up 78% of the air you breathe Answers This page will help you find all of CodyCross Answers of All the Levels. Through the Cheats and Solutions you will find on this site you will be able to pass … WebJul 22, 2024 · The mixture of gases that makes up the Earth’s atmosphere is known as air. Nitrogen makes up 78 % of this gas, which is mixed … how to install a ceiling fans