Question

What would happen if there were no birds on Earth

Answer 1

if there is no birds in the world then the sky remains empty

Answer 2

If there are no birds:
1.we would not have aero planes because scientists have constructed by taking birds body(idea) to overcome fluid friction
2.We would not know about birds the sky remains empty
3.In ancient days kings used to send letter through birds,if birds are not there they would not send them......