1.

meaning of :troposphere :stratosphere :meosphere :ionosphere

Answer»

The lowest part of the Earth's atmosphere, thetroposphereextends from the surface to about 10 km (6.2 mi). Above that is thestratosphere, followed by themesosphere. In thestratosphereincoming solar radiation creates the ozone layer.Theionosphere, for example, which occupies the same region of the atmosphere as thethermosphere, isdefinedby the presence of ions, a physico-chemical criterion.

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