Question

why do birds fly ? and how birds have surface for what we can do to help please let me know ​

Answer 1

Answer:

Yes

Explanation:

Birds fly with the help of their wings.

Even if any create have wings like birds such as samll insects they fly.

Answer 2

A bird's wing is thicker at the front than at the back, and more curved across the top than underneath. This causes air to move more quickly over the longer surface of the upper wing than the shorter surface below the wing