The following is current scientific evidence supporting the nebular theory on the formation of the solar system.'

Question

a the composition of the inner and outer planets, current observations of star formation, and the motion of the solar system
b current observations of star formation and the path of comets
c current observations of the structure and motion of the solar system and the nebular galaxy
d the composition of the inner and outer planets and the amount of hydrogen and helium found in space

Answer 1

d is the best answer.

Answer 2

the second sun is a star from the sun