Atmosphere of Earth layers because a larger atmospheric weight sits on top of the troposphere and causes it to be most severely compressed. Fifty percent of the total mass of the atmosphere is located in the lower of the troposphere. Nearly all atmospheric water vapor or moisture is found in the troposphere, so it is the layer where most of Earth's weather takes place. It has basically all the weather-associated cloud genus types generated by active wind circulation, although very tall cumulonimbus thunder clouds can penetrate the tropopause from below and rise into the lower part of the stratosphere. Most conventional aviation activity
The World We Live In (Life magazine) by "The Epic of Man", focusing on the development and history of human civilization, and "The Wonders of Life on Earth", a series of articles tracing Darwin and evolution. Both of these were written by Barnett as well, and featured many of the same artists. "Life"'s series on the International Geological Year was hailed as a spiritual "update" to "The World We Live In". The World We Live In (Life magazine) The World We Live In appeared in the pages of LIFE magazine from December 8, 1952, to December 20, 1954. A science series, it comprised 13 chapters published on