troposphere
A portion of this lifted carbon dioxide is then carried into the mid-troposphere, where it becomes trapped in the mid-latitude jet stream and transported rapidly around the world. "The troposphere is like international waters," Chahine said. "What's produced in one place will travel elsewhere."
"The troposphere is like a very large container. It can take a long time for the equilibrium condition to become established, but the maximum amount of water(g) present in the will depend on temperature and pressure."
"The troposphere is like a series of side-by-side conveyor belts. That which is at the surface gets circulated to the upper troposphere and vice-versa. Round and round and round. "
"The troposphere is like a layer of Gladwrap around a basketball. If we allow our factories to pollute the troposphere, it may affect all living things."
"The lowest 6-15 km of the earth atmosphere, known as the troposphere, is like a chemical reactor in which trace species emitted into the atmosphere from various sources are transported by winds and turbulence, chemically processed and con-verted into products. Many tropospheric reactions are induced by solar ultraviolet(UV) radiation reaching the troposphere."

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