Select the correct answers from the list.(1 point)
A black hole begins to form as an aging star abruptly collapses when it ceases 1_________ . This occurs after the star has consumed its component elements in this order: 2____________.
1
generating heavy metals
gaining mass by collecting gas and dust
emitting radiation from fusion reactions
increases its gravitational force
2
silicon, helium, hydrogen
carbon, iron, then helium through hydrogen
hydrogen, helium, then through iron
iron, carbon, and helium
1. emitting radiation from fusion reactions
2. hydrogen, helium, then through iron