Question

Use the drop-down menus to complete the statements about the death of stars.

When a supergiant explodes, a
black hole
occurs.

A supernova may leave behind a
, which is the size of a large city.

When the outer portion of a red giant expands and is blown away, a
is left behind.

The most-massive stars may become
, which are not directly detectable.

Answer 1

Answer:

please mark me as a brainlist

Answer 2

Answer:

1.Elements

2.Molecules

3.atoms

4.Compounds