Question

how do bird fly in air want sort ans

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Answer 1

Answer:

because birds have hollow bone

Explanation:

because birds of hollow bone and their body shape is like aeroplane

Answer 2

Answer:

When there is more air on the bottom that leads to a push and since the push happens against that wide flat part of the wing, this push lifts the animal. So a bird wing slices in the air in the forward direction and gets pushed up from below; the net result is a flying bird!”