Air is a mixture of many gases and tiny dust particles. It has an indefinite shape and volume. It is the clear gas in which living things live and breathe. Air contains important substances, such as oxygen and nitrogen, that most species need to survive. It has mass and weight, because it is matter. The meaning of air is the mixture of invisible odorless tasteless gases (such as nitrogen and oxygen) that surrounds the earth; Air is a mixture of gases, most of which are naturally occurring. The mixture contains a group of gases of nearly constant concentrations and a group with concentrations that are … · air, mixture of gases comprising the earth’s atmosphere. Air also contains a significant amount of human-made air pollutants, including some that are not safe to breathe and some that … For example, numerous scientific studies have linked particle pollution, which means … · nearly all of earths atmosphere (air) is comprised of a mere five gases: · air is the invisible mixture of gases that surrounds earth. Nitrogen, oxygen, water vapor, argon, and carbon dioxide. The equivalent mix of gases on another celestial object … · air pollution, whether indoors or outdoors, is associated with several human health effects. Several other compounds are also present in …
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Air is a mixture of many gases and tiny dust particles. It has an indefinite shape and volume. It is the clear gas in which...
