The equivalent mix of gases on another celestial object (such as a planet). Air contains important substances, such as oxygen and nitrogen, that most species need to survive. · air is the invisible mixture of gases that surrounds earth. It is the clear gas in which living things live and breathe. Several other compounds are also present in our air in trace amounts. There is no air in outer space. · air, mixture of gases comprising the earth’s atmosphere. Nitrogen, oxygen, water vapor, argon, and carbon dioxide. For example, numerous scientific studies have linked particle pollution, which means dust, dirt, soot, or smoke in the air, to nonfatal heart attacks, irregular heartbeat, aggravated asthma, and decreased function of our lungs. It has an indefinite shape and volume. · air pollution, whether indoors or outdoors, is associated with several human health effects. 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; · nearly all of earths atmosphere (air) is comprised of a mere five gases: Air is a mixture of many gases and tiny dust particles. Air also contains a significant amount of human-made air pollutants, including some that are not safe to breathe and some that are causing the climate to warm. 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 variable in both space and time. The weight of air creates atmospheric pressure.
Air Crash Investigations The Untold Stories Of Safety Improvements
The equivalent mix of gases on another celestial object (such as a planet). Air contains important substances, such as oxygen and nitrogen, that most species...
