Question 1
The formation of the solar system from a huge cloud of gases and dispersed particles is known as the ________.
◦ solar galactic hypothesis
◦ origin of species
◦ harmony of the heavens
◦ Big Bang theory
Question 2
According to the nebular theory, all of the bodies in the universe evolved from a rotating cloud of gases and dust about ________ billion years ago.
◦ 5
◦ 3
◦ 12
◦ 2