What was the form of the material from which the solar system formed?
A) A nebula made mostly of hydrogen and helium gas,but enriched in heavier elements from supernova explosions
B) A nebula made mostly of heavy elements,but enriched in hydrogen and helium from the supernova explosions
C) A nebula made entirely of hydrogen and helium gas
D) Debris from the explosion of a massive star

Question

Quizplus · Accepted Answer

The prevailing theory of solar system formation is the nebular hypothesis, which states that the Sun and planets formed from a rotating cloud of gas and dust known as a nebula. This nebula was mostly made of hydrogen and helium gas, but it was also enriched in heavier elements from previous supernova explosions, which had scattered these elements throughout the galaxy. Therefore, choice A (a nebula made mostly of hydrogen and helium gas, but enriched in heavier elements from supernova explosions) is the best answer.

What Was the Form of the Material from Which the Solar