The most abundant materials in the solar nebula were
A) hydrogen compounds like water, methane, and ammonia
B) hydrogen and helium gases
C) metals
D) rocks

Question

Quizplus · Accepted Answer

The solar nebula was primarily composed of hydrogen and helium gases, making up about 99% of its mass. The remaining 1% was made up of heavier elements, including rocks and metals, as well as hydrogen compounds like water, methane, and ammonia. However, the most abundant material by far was hydrogen and helium gases.

The Most Abundant Materials in the Solar Nebula Were