What is ionosphere ? Write it's imoortance ?
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Ionosphere is the region of the earth's atmosphere between the stratosphere and the exosphere, consisting of several ionized layers
The most important characteristic of use to humankind is the way it reflects and refracts radio waves. It also protects us from dangerous radiation and gives those who live in polar regions nice displays of aurorae.
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The ionosphere is the part of the atmosphere that is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner edge of the magnetosphere. It has practical importance because, among other functions, it influences radio propagation to distant places on the Earth.
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