Air is a mixture of naturally occurring gases and human-made air pollutants. Learn more about these gases and the role they play in our atmosphere. From scied.ucar.edu
Air definition: a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.. See examples of AIR used in a sentence. From dictionary.com
AIR bridges knowledge and action to support the whole child and family. We work with educators, students, and policymakers to study and implement evidence-based programs and policies … From air.org
Oct 1, 2024 Air is the invisible mixture of gases that surrounds Earth. Air contains important substances, such as oxygen and nitrogen, that most species need to survive. From education.nationalgeographic.org
AIR - SIMPLE ENGLISH WIKIPEDIA, THE FREE ENCYCLOPEDIA
Air is a mixture of many gases and tiny dust particles. It is the clear gas in which living things live and breathe. It has an indefinite shape and volume. It has mass and weight, because it is … From simple.wikipedia.org
The meaning of AIR is the mixture of invisible odorless tasteless gases (such as nitrogen and oxygen) that surrounds the earth; also : the equivalent mix of gases on another celestial object … From merriam-webster.com
air, mixture of gases comprising the Earth’s atmosphere. The mixture contains a group of gases of nearly constant concentrations and a group with concentrations that are variable in both space … From britannica.com
The atmosphere of Earth is composed of a layer of gas mixture that surrounds the Earth 's planetary surface (both lands and oceans), known collectively as air, with variable quantities of … From en.wikipedia.org
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