When a new Star is born from stuff of previous supernova explosion,it contain heavy Elements like carbon ?

oxygen and iron these elements are produce at the time of death of stars iron,oxygen,carbon etc and when a new star is borned it contain these heavy elements or not ? WHERE ALL THESE HEAVY ELEMENTS GONE ? IT IS ALSO TRUE HEAVY ELEMENTS ARE FORMED AT THE TIME OF DEATH OF STAR,THE LAST ON E IS IRON. I... show more oxygen and iron

these elements are produce at the time of death of stars iron,oxygen,carbon etc

and when a new star is borned it contain these heavy elements or not ?

WHERE ALL THESE HEAVY ELEMENTS GONE ?

IT IS ALSO TRUE HEAVY ELEMENTS ARE FORMED AT THE TIME OF DEATH OF STAR,THE LAST ON E IS IRON.

I AM IN CONFUSION,PLEASE HELP ME
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