I think it is the 3rd one because health problems at older age.
Answer:
They are made of gases.
They contain iron in their cores.
They make energy through fusion.
Explanation:
Insulin is the correct answer.
Hope ti helped!
Answer:
That's correct most birds have diffrent shaped beaks for diffrent reasons for example some birds can tweezer beaks which helps to dig into the worm holes to get worms or help to drill into trees
Explanation:
