According to our present theory of solar system formation, which of the following lists the major ingredients of the solar nebula in order from the most abundant to the least abundant?

Question

Quizplus · Accepted Answer

The solar nebula, from which our solar system formed, was primarily composed of hydrogen and helium gas, which are the most abundant elements in the universe. Following these, hydrogen compounds (such as water, methane, and ammonia), rock (silicates), and metals (like iron and nickel) were present in decreasing amounts of abundance.

According to Our Present Theory of Solar System Formation, Which