What is the role of the diaphragm in breathing?

Nitrogen is the most abundant gas in the Earth's atmosphere. Oxygen is the second most abundant gas. Both of these gases are made up of two atoms. The ... Nitrogen (N2) is the most abundant gas in our atmosphere. It is a stable gas ... permanent gases and variable gases in the atmosphere? 2. During the ... Nov 2, 2010 ... Molecular oxygen (O2) is the second most abundant gas in the Earth's atmosphere, but in many natural environments, its concentration is ... Increases in the abundance of atmospheric greenhouse gases since the ... The “HCFC” grouping includes the three most abundant of these chemicals (HCFC ... Atmospheric levels of carbon dioxide—the most dangerous and prevalent greenhouse gas—are at the highest levels ever recorded. Greenhouse gas levels are so ... JUPITER'S ATMOSPHERE IS MOSTLY HYDROGEN AND HELIUM, WHICH ARE THE LIGHTEST AND MOST ABUNDANT GASES IN THE UNIVERSE. The weather on Earth is mainly driven by ... The captured gas is mostly H2 — by far the most abundant element in the ... abundant gas in the atmosphere. Other water soluble volatiles would also ... Feb 19, 2017 ... 1 Answer. Vidhi J. ... Nitrogen is the most abundant gas in atmosphere. Explanation: Composition of air is as follows. Nitrogen 78% Oxygen 21% The most abundant gas in Earth's atmosphere is NITROGEN, followed by OXYGEN, which is needed to burn wood and fuel. The third-most abundant gas is ARGON. Jan 6, 2016 ... Nitrogen is the most abundant gas in the atmosphere and a key ... But in the winter, a shift in atmospheric pressure pulls in air masses from the ...