WebThe mixture of gases that makes up the Earth’s atmosphere is known as air. Nitrogen makes up 78 % of this gas, which is mixed with oxygen (21%), water vapour (variable), … WebMar 22, 2024 · Earth is a rocky planet with a solid and dynamic surface of mountains, canyons, plains and more. Most of our planet is covered in water. 5 Breathe Easy Earth's atmosphere is 78 percent nitrogen, 21 percent oxygen and 1 percent other ingredients—the perfect balance to breathe and live. 6 Our Cosmic Companion Earth has one moon. 7 …
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WebMay 20, 2024 · There are five main systems, or spheres, on Earth. The first system, the geosphere, consists of the interior and surface of Earth, both of which are made up of rocks. The limited part of the planet that can support living things comprises the second … One of the main components of Earth’s interdependent physical systems is the … WebAs of 2024, by mole fraction (i.e., by number of molecules), dry air contains 78.08% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. [8] Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere. is but rather correct
Practice Earth\u0027s Systems: Assessment 1 — Test Results and …
WebSep 12, 2016 · Air is a protective cushion. On Earth, we’re pretty lucky to have an atmosphere filled with air. The air in our atmosphere acts as insulation, keeping the … WebAir also contains a significant amount of human-made air pollutants, including some that are not safe to breathe and some that warm our planet’s climate. The troposphere also … WebAt KidsAcademy children can practice resolving the Earth's Systems: Assessment 2, see the results of their test and correct answer keys. ... Practice Earth\u0027s Systems: Assessment 2 — Test Results and See Answers. Try Kids Academy for FREE! See full Learning Program Yearly $195 99. $97 99. $8.17 / month Billed annually Best offer … is butlins worth it