What is the significance of the ionosphere? Options: A . &nbspAviation movements B . &nbspHigh frequency radio transmission C . &nbspRegulates weather D . &nbspAll of the mentioned

What is the significance of the ionosphere?

Question

What is the significance of the ionosphere?

Options:

A . Aviation movements

B . High frequency radio transmission

C . Regulates weather

D . All of the mentioned

Answer: Option B
Answer: (b).High frequency radio transmission

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