Nitrogen and Oxygen
Air is indeed a mixture of gases, primarily oxygen (about 21%) and nitrogen (about 78%). This composition was established by the scientist Joseph Priestley in the 18th century through his experiments on air.
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The air we breathe contains 78% Nitrogen and 20% Oxygen. The remainder is Helium and other gases
Sterling Silver is generally composed of 92 1/2% silver, and 7 1/2% copper.
For example, carbon (C) is a part of CO2 (carbon dioxide), a gas that we exhale in the process of breathing. Of course, in different forms. For example, carbon (C) is a part of CO2 (carbon dioxide), a gas that we exhale in the process of breathing.
Air is indeed a mixture of gases, primarily oxygen (about 21%) and nitrogen (about 78%). This composition was established by the scientist Joseph Priestley in the 18th century through his experiments on air.
The air is primarily composed of nitrogen and oxygen. About 78% Nitrogen, Oxygen 21%.
The atmosphere consists of 78% Nitrogen (N2), 21% Oxygen (O2).
most of the air is made up of nitrogen and oxygen. But, 2% of the air is made up of other different kinds of gasses
Air is composed of more than 2 gases: 78% Nitrogen 21% Oxygen 1% of other gases lime Carbon Dioxide, Ozone, Argon etc.
The Earth's atmosphere is composed of roughly 78% nitrogen and 20% oxygen, the remaining 2% is a mix of other gasses.
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The atmosphere of Uranus is primarily composed of hydrogen (H2) and helium (He), with traces of methane (CH4) contributing to its bluish-green appearance. Other gases such as ammonia (NH3), water (H2O), and hydrogen sulfide (H2S) also exist in smaller amounts.
Granite and gneiss are two rocks composed primarily of quartz, feldspar, and clay minerals. These rocks are commonly found in continental crust and are formed through the process of metamorphism or granitic magmatism.
1. Nitrogen - cca. 78% 2. Oxygen - cca. 21 % 3. Argon - cca. 1 %
Pluto is made of many gasses but they are undiscovered and there are 2 discovered carbon , nitrogen
Chromatin composed of tetramer of histones 2 copies each of Histone H2A, H2B, H3 and H4. DNA is bound on the nucleosome and uses 147 basepairs of DNA.