Oxygen Level in Atmosphere: All living beings breathe. We need oxygen to breathe. The area around the Earth up to 300 kilometers is called the atmosphere, in which many other gases including oxygen, nitrogen and carbon dioxide are present. Knowing science, people tell that if oxygen disappears from the earth even for 5 seconds, then everything on the earth will be completely destroyed. Big buildings will turn into a pile of ashes in the blink of an eye, because the Binding Nature of the concrete used in them will end…
Read MoreOxygen Level In Atmosphere Know What Will Be Happened If Oxygen Level Increased Two Time Know Here
