Question

How are elements that are heavier than hydrogen spread throughout the universe? A. When a star collapses into a neutron star B. When a star forms into a red giant C. When a star collapses as a black hole D. When a star explodes as a supernova

Answer 1

D. When a star explodes as a supernova elements that are heavier than hydrogen spread throughout the universe.

Step-by-step explanation:

Answer 2

D

Step-by-step explanation:

Supernovae are an explosion of stars, during star death. During the life cycle of a star, it gravitation pull of its core squeezes lighter atoms such as hydrogen into heavier atoms like helium and carbon. When the stars explode in a supernova, these elements are jettisoned out forcefully into outer space even up to speeds of 25,000 miles/second.