Question

How do dying stars contribute to the formation of planets? A. They emit helium gas that attaches to nearby planets. B. They remove low-mass elements from the planets’ crust. C. They cause nuclear fusion inside the inner core of planets. D. They produce heavy elements such as iron and gold.

Answer 1

Answer D because they produced heavy things such as metal

Answer 2

ans D. they produce heavy elements such as iron and gold