They are made of some of the same matter
A star is formed within the clouds of dust. These clouds of dust are scattered throughout the galaxy. These dust clouds are called as nebula. The turbulence inside the dust clouds rise to form knots. These knots along with sufficient mass causes gas and dust to collapse with the help of gravitational force. These sequence of steps leads to form a star.
Make sure you do not use the exact same thing... I recommend you do this "Expiriment" on your own! :) But I hope this helps!
Answer:
The costal cartilage connects the ribs to the sternum. Costal cartilage normally allows forward movement of the ribs, providing flexibility to the chest wall. There are usually 12 pairs of cartilage associated with the rib cage.
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The only base that pairs with Guanine is Cytosine. Hope this helps!