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zubka84 [21]
3 years ago
5

The ionosphere is

Biology
2 answers:
IRISSAK [1]3 years ago
4 0

Answer:

the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50 to 600 miles above the earth's surface.

Explanation:

Gemiola [76]3 years ago
3 0

The first two your welcome

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