Question

Birds can fly easily because they have

strong muscles and light bones

weak muscles and heavy bones

heavy bones only



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Answer 1

Explanation:

Bird's wings have feathers and strong muscles attached to them. With the help of their strong arm and chest muscles, birds flap their wings and fly. The bodies of birds are very light which help them to fly easily. This is because the bones of birds are thin, light and hollow.

Answer 2

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