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17 Δεκ 2016 · Air is a mixture of gases that forms the Earth's atmosphere. It is composed primarily of nitrogen (78%) and oxygen (21%), with trace amounts of other gases like carbon dioxide and water vapor. Air is essential for supporting life on Earth, as oxygen allows for burning and respiration to occur.
- Air and its Properties
Air is a mixture of gases that forms the Earth's atmosphere....
- Air and its Properties
29 Σεπ 2014 · Air is a mixture of gases that forms the Earth's atmosphere. It is composed primarily of nitrogen (78%) and oxygen (21%), with trace amounts of other gases like carbon dioxide and water vapor. Air is essential for supporting life on Earth, as oxygen allows for burning and respiration to occur.
14 Ιουλ 2009 · The document discusses the composition and importance of air. Air is a mixture of gases that surrounds the Earth's surface, called the atmosphere. It is composed mainly of nitrogen (78%), oxygen (21%), and trace amounts of other gases like carbon dioxide and water vapor.
31 Οκτ 2019 · Nitrogen (78%), a gas, is air’s main ingredient. Oxygen (21%) is another important ingredient, though there is much less of it than nitrogen. Many other gases, including carbon dioxide, make up about 1% of air.
4 Απρ 2017 · Nitrogen (78%) Maintained through a process called the Nitrogen Cycle Nitrogen from the air moves to the soil, then to plants and animals, and eventually back to the air. 8 Composition of the Atmosphere.
NITROGEN: gas in the air (N2) AMMONIA: NH3 (a compound of nitrogen and hydrogen) NITRATES: NO3 (a compound of nitrogen and oxygen) ***Ammonia and Nitrates are usable forms of nitrogen for plants...
The atmosphere is composed of air. Air is made up of a mixture of gases and water vapour. COMPOSITION OF GASES: NITROGEN 78% OXYGEN 21% And other gases: Carbon dioxide, Argon, Ozone
