Which of the following types of stars is most likely to end up as a red supergiant? a b c d

Option D

Explanation:

Red Super giants are the biggest stars in our universe and are formed when the inner core of a star does not have its fuel which is hydrogen. The outer layer starts to do fission and thus become very hot.

As per the given graph, the wavelength is increasing in option D thus radiating more energy and heat. Wavelength of red color  lies in range given in last graph.

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.