[DOC] [TLE] What Is The Atmosphere Like On Other Planets? - Universe Today [PAR] Our atmosphere has a lovely mix of nitrogen and oxygen (78% and 21% ... But 
just what is the difference between these balls of rock and gas and our own? ... 
Venus is also the hottest planet in our Solar System, with a mean surface ... 
oxygen, water vapor, carbon dioxide and other trace gases, also consists of five 
layers. [DOC] [TLE] Atmosphere of Venus - Wikipedia [PAR] The atmosphere of Venus is the layer of gases surrounding Venus. It is 
composed primarily of carbon dioxide and is much denser and hotter than that of 
Earth. [DOC] [TLE] Venus' Atmosphere: Composition, Climate and Weather - Space.com [PAR] Nov 16, 2012 ... The atmosphere of Venus is thick with clouds of carbon dioxide. ... Venus has the 
distinction of being the hottest planet in the solar system, and the ... The air of 
Venus is so dense that the small traces of nitrogen are four times the ... Both 
oxygen and hydrogen rise above the heavier gas layer covering the... [DOC] [TLE] Activity 1 Teacher Guide: The Goldilocks Principle [PAR] On earth, two elements, nitrogen ( ) and oxygen ( ), make up almost 99% of the ... 
Certain trace atmospheric gases help to heat up our planet because they ... 
These planets either have too much greenhouse effect or too little to be able to ... 
the "Goldilocks Principle" (Venus is too hot, Mars is too cold, but Earth is just right
). [DOC] [TLE] The atmosphere - Natural Sciences Grade 9 [PAR] Photograph of the Earth's atmosphere taken from the International Space Station. 
... As you move further and further away from the surface of the Earth, the gas 
molecules ... Each layer of the atmosphere has a different temperature gradient, 
in other ..... 0,03%. 95%. Nitrogen (N2). 3,5%. 78%. 2.7%. Oxygen (O2). Trace. 21
%. [DOC] [TLE] Earth and space [PAR] The sun is recognized to have the largest mass in our solar system. ... of carbon 
dioxide (96%) and nitrogen (3%), with traces of other gases and little to no ... 
Maximum distance of Venus from the Sun is 109 million km (68 million miles) ... 
The Earth's atmosphere is composed mainly of nitrogen (78%), oxygen (21%), 
argon... [DOC] [TLE] The Living Planet - Furman University [PAR] Our solar system probably formed as a gas nebula began to condense and ... 
This"degassing" (release of lighter elements) formed the atmosphere, and ... 
Venus is the second planet from the sun and is only slightly smaller (95%) than 
the Earth. .... The oxygen (and the other hydrogen) now have an extra electron 
and are a... [DOC] [TLE] Global Warming Revitalized - Page 3 - Frank Sinatra Family [PAR] With the exception of Oxygen in the Earth's atmosphere which has its origin in ... 
Oxygen - 21% ... Water Vapor should be the most abundant gas in both 
atmospheres. ... Venus' Water vapor content in its atmosphere is a trace. ... If you 
went for fizzy, you just tasted some dissolved Carbon Dioxide in the... [DOC] [TLE] 02 LS Lecture - Intro to the Atmosphere - STORE [PAR] Which Gas Makes Up More of Our Atmosphere: Nitrogen or Oxygen? ... Oxygen 
makes up about 21% of Earth's atmosphere. Land and ocean plants produce... [DOC] [TLE] The effectiveness of CO2 as a greenhouse gas becomes ever more ... [PAR] May 8, 2013 ... These minute temperature changes have to be seen in the context of .... be 
accomplished by just 20 ppm CO2 (for a tropical atmosphere w/ ..... As only 21% 
of the (dry) atmosphere is oxygen we surely couldn't .... Even a little higher if one 
uses all oxygen to burn up coal, oil and gas (if there is enough of it) [DOC] [TLE] no place like home article [PAR] which are the gas planets. Like Earth, Venus and Mars have atmos- ... (N2)

Question: Our atmosphere has 21% oxygen & a little of this gas; Venus has just a trace of oxygen & 95% this gas
Answer: Carbon dioxide