Question

How do birds travel to same place
every year during migration​

Answer 1

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Modulation is the process of converting data into electrical signals optimized for transmission. ... Analog modulation is typically used for AM, FM radio, and short-wave broadcasting. Digital modulation involves transmission of binary signals (0 and 1). Digital modulation involves transmission of binary signals (0 and 1).

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Answer 2

Answer:

They migrate for living once if they migrate to a place a map or track is set in their mind so they come back to the place again and again you can ever see their migration route they are almost same every time they move.