Atmosphere of Earth However, polar stratospheric or nacreous clouds are occasionally seen in the lower part of this layer of the atmosphere where the air is coldest. The stratosphere is the highest layer that can be accessed by jet-powered aircraft. The troposphere is the lowest layer of Earth's atmosphere. It extends from Earth's surface to an average height of about , although this altitude varies from about at the geographic poles to at the Equator, with some variation due to weather. The troposphere is bounded above by the tropopause, a boundary marked in most places by a temperature inversion (i.e. a layer of
We Live: The Black Samurai great progression or downfall from a rapper who, at the very least, is consistently decent." We Live: The Black Samurai We Live: The Black Samurai is an EP by American rapper C-Rayz Walz. It was released on Definitive Jux in 2004. David Jeffries of AllMusic gave the EP 3.5 stars out of 5, saying: "Putting 'EP' on the cover keeps the collection from being over-judged, but hopefully won't keep it from being overlooked." Shawn Lawrence James of AllHipHop called it "a delicious appetizer for those craving food for thought in between his full length LPs." Nick Stillman of "Prefix" gave