The hotter the star, the more light it gives off, the cooler the star the less light it gives off. stars that follow this pattern are
neutron stars
black holes
giants
main sequence stars

Option D, main sequence stars

Explanation:

Main sequence star are those in which hydrogen fuses to form helium atom. The life of a sequence star depends on the mass it possess. A star which has high mass has higher internal material within them which burns fast to produce light and heat. The higher the mass,  the higher is the luminosity (more light is produced).

Hence, the correct answer is option D main Sequence Star.

hello there,

igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

the question isn't complete here so i can't right an answer '_'