What are the alveoli in the lungs, and what is their function?

Answer and Explanation: 1. The most abundant gas found in the Earth's atmosphere is nitrogen ( N 2 ) gas. It makes up about 78% of the earth's atmosphere. The ... The predominant gas is carbon dioxide, making up 95.9 percent of the atmosphere's volume. The next four most abundant gases are argon, nitrogen, oxygen and ... Jun 16, 2011 ... ... most abundant element in the Universe. ... It is significant that so much carbon dioxide stays in the atmosphere because CO2 is the most important ... 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 ... The second most common gas is nitrogen. The predominance of carbon dioxide over nitrogen is not surprising when you recall that Earth's atmosphere would also be ... Dec 16, 2021 ... The ocean's most abundant bacteria species prevents acetone from being expelled into the atmosphere. (Photo courtesy of Luis Bolaños). The ... The two most abundant gases in the atmosphere are nitrogen (N2) and oxygen (O2). Nitrogen makes up approximately 78% of the atmosphere, while oxygen accounts ... First of all, even though we need to breathe oxygen to survive, oxygen is not the most abundant gas in the atmosphere. Nitrogen is, by far. There's nearly ... Water vapor is the most abundant GHG in the atmosphere. Its concentration ... Atmospheric Greenhouse Gas Emissions. Since 1750, atmospheric ... Apr 8, 2024 ... ... Atmospheric Administration. Carbon dioxide, the most important and abundant of the greenhouse gases caused by humans, rose in 2023 by the ...