When a high-mass star explodes, which of the following is left over in the center? a. black holeb. neutron star c. white dwarfd. either a or b

I would say option D, it depends on the size of the star

Ifound this on google “two vectors are equal if they have the same magnitude and direction. they are parallel if they have the same or opposite direction. we can combine vectors by adding them, the sum of two vectors is called the resultant.” i hope this you.

So what is the question