Question

7. This layer contains electrically charged
particles called ions that help in radio
transmission.
a) Thermosphere b) Exosphere
c) Troposphere​

Answer 1

Answer:

Thermosphere.

Explanation:

Thermoshpere itself is divided into multiple sub-layer. One of then is the Ionosphere, whixh contains electrically charged particles which helps in radio transmission by reflecting radio waves back to the Earth.

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