[DOC] [TLE] What Is the Atmosphere Made Of? - Science Terrific! [PAR]  [DOC] [TLE] What Is the Atmosphere Made Of? - Science Terrific! [PAR] There are many things in the atmosphere, but basically it is made up of two different elements which are gases. Measured by volume (not weight) completely dry air contains approximately 78% nitrogen and 21% oxygen with about 1% of everything else. [DOC] [TLE] Universal Industrial Gases, Inc: Composition of Air - Components ... [PAR] Standard dry air, which is mainly composed of three gases: nitrogen (about 78%), oxygen (about 21%), and argon (about 1%). Together, these three gases make up 99.96% of dry air. [DOC] [TLE] Gases of the Air [PAR] Composition of Dry Air. Substance. % by volume. Nitrogen, N2. 78.08. Oxygen, 
O2. 20.95. Argon, Ar. 0.93. Carbon dioxide, CO2. 0.033. Neon, Ne. 0.0018. [DOC] [TLE] What Is Air Made of? | Wonderopolis [PAR] ... you breathe? Which element makes up most of the air around you? ... Around 
78% of air is actually made up of another common gas called nitrogen. If you're... [DOC] [TLE] Atmosphere of Earth - Wikipedia [PAR] The atmosphere of Earth is the layer of gases, commonly known as air, that 
surrounds the ... Composition of Earth's atmosphere by volume. .... The 
mesosphere is also the layer where most meteors burn up upon .... The mean 
mass of water vapor is estimated as 1.271016 kg and the dry air mass as ..... 
Elements of nature. [DOC] [TLE] Which elements make up the air we breathe? | Reference.com [PAR] Air is made up of oxygen, nitrogen and carbon dioxide. It consists of 
approximately 78 percent nitrogen, 20 percent oxygen and trace amounts of 
carbon... ... What are the four most common gases in dry air? [DOC] [TLE] This element makes up about 78% of normal dry air by volume ... [PAR] Jun 29, 2016 ... This element makes up about 78% of normal dry air by volume # Quiz # Question
. video. 0:28 0 likes, 0 dislikes. No views. Amazing Videos. [DOC] [TLE] Table of gaseous composition of dry air [PAR] Constituent, Chemical symbol, Mole percent. Nitrogen, N2, 78.084. Oxygen, O2, 
20.947. Argon, Ar, 0.934. Carbon dioxide, CO2, 0.0350. Neon, Ne, 0.001818. [DOC] [TLE] Air Composition - Engineering ToolBox [PAR] Dry air is a mechanical mixture of nitrogen, oxygen, carbon dioxide and more. ... 
Air is a mixture of gases - 78% nitrogen and 21% oxygen - with traces of water ... 
Humid Air and the Ideal Gas Law - Pressure, temperature and volume for an 
ideal or ... for use with the amazing, fun and free SketchUp Make and SketchUp 
Pro . [DOC] [TLE] The Earth's Atmosphere [PAR] Proportion of Elements in Dry Air (by volume).  Nitrogen  N. 2. 78%. Plants .... 
6.4 C/km = Normal Lapse Rate. The actual decrease in temp, or actual lapse ... 
The atmosphere is made up of two zones based in function: to remove harmful... [DOC] [TLE] nitrogen facts, information, pictures | Encyclopedia.com articles ... [PAR] Nitrogen makes up more than three-quarters of the Earth's atmosphere. It is also 
found in a ... For many centuries, philosophers said that air was an element. They 
could not ... (See sidebar on Lavoisier in the oxygen entry in Volume 2.) ... Liquid 
air is made by cooling normal atmospheric air to very low temperatures. As the... [DOC] [TLE] air - National Geographic Society [PAR] Standard Dry Air is the composition of gases that make up air at sea level. ... 
Often, compressed air is kept at a pressure higher than normal air pressure. ... a 
large volume of air that is mostly consistent, horizontally, in temperature and ... 
chemical element with the symbol N, whose gas form is 78% of the Earth's 
atmosphere. [DOC] [TLE] Earth's atmosphere - New World Encyclopedia [PAR] Jul

Question: This element makes up about 78% of normal dry air by volume
Answer: Nitrogen