Web18 feb. 2016 · What gas makes up 21% of the atmosphere? Earth Science 1 Answer Don Mac Feb 18, 2016 Oxygen of course! Explanation: But it wasn't always this high. Plant life itself contributed most of the oxygen we have on Earth today. Answer link http://www.ccpo.odu.edu/SEES/ozone/class/Chap_2/2_2.htm
Which gas forms 21% of Earth
Web14 nov. 2024 · According to education site Vision Learning (opens in new tab) Earth's atmosphere is composed of approximately 78 percent nitrogen, 21 percent oxygen, 0.93 … Web26 apr. 2024 · Making up almost 21 percent of the air all living things breathe, oxygen is absorbed by the lungs, or lung-like structures in lower animals, and transported to all cells in the body by the blood. Oxygen is … phonebooks.com
10 interesting things about air - Climate Change: Vital Signs of the …
WebOxygen makes up 21% of the air. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer Question: A typical aerosol can has a maximum pressure of 145 psi which is about 10 times normal atmospheric pressure. WebWhat's in the Air? The air in our atmosphere is composed of molecules of different gases. The most common gases are nitrogen (78%), oxygen (about 21%), and argon (almost … Web12 apr. 2024 · Usually we take radius of earth as 6,371\\ km We know that atmosphere of Earth consists of gaseous layers which surround the Earth and is retained by Earth's … phonebooks