Question

correctly order the steps of solar system formation. the solar nebula collapsed. gravity pulled most mass toward the center. the cloud of gas and dust flattened into a disk as it collapsed. as fusion began in the center, energy was released causing the disk to heat up. volatile materials were pushed outward. near the center of the disk, iron, nickel, and silicates formed inner planets. in the outer part of the disk, hydrogen and helium accumulated around larger planets.

Explanation:

The solar system formation starts with the collapse of the solar nebula due to gravity. As it collapses, it flattens into a disk. Fusion then starts in the center, releasing energy and heating the disk, pushing volatile materials outward. Finally, inner - planets form near the center from iron, nickel, and silicates, and hydrogen and helium accumulate around larger planets in the outer part of the disk.

Answer:

1. The solar nebula collapsed. Gravity pulled most mass toward the center.
2. The cloud of gas and dust flattened into a disk as it collapsed.
3. As fusion began in the center, energy was released causing the disk to heat up. Volatile materials were pushed outward.
4. Near the center of the disk, iron, nickel, and silicates formed inner planets. In the outer part of the disk, hydrogen and helium accumulated around larger planets.