Respuesta :
Answer: Star A is a neutron star and star B is a red giant.
Explanation:
Out of the given for star A, a Neutron star is a very hot star, very small in size and hence dim and is white in color. A neutron star results after a massive star goes supernova. It is primarily composed of neutrons packed in a small boundary.
Out of the given options star B would be a red giant. This is because, a red giant star is red in color, is very big in size and has a low temperature. A red giant star is a towards the end stage of a small to an average mass star.