A black hole is formed by a high-mass star collapses.
Collapsed stars are dead stars.
A black hole is formed by high-mass dead stars.
what high-mass object forms black holes?
Options:
[a] layers of fat
[b] an object
[c] dead stars
[d] moons
[e] graptolites
[f] shooting stars
[g] milky way
[h] It expands