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What kind of bones do birds have?

a. hollow
b. narrow
c. thin
d. cartilage

2 Answers

7 votes
The answer is A, their bones are hollow so they are able to stay up in the air when they are flying

User Tod
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4 votes
the answer is A, why u may ask is because the holes in the bones help the bird in flight, to help it stay in the air
User Sdr
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