Question 1:

Which theory describes the formation of the Solar System from a rotating disk of gas and dust?

Explanation: The Nebular Theory explains the formation of the Solar System from a rotating disk of gas and dust.

Question 2:

What is the name of the region beyond the orbit of Neptune that contains small icy bodies?

Explanation: The Kuiper Belt is the region beyond the orbit of Neptune that contains small icy bodies.

Question 3:

Which process involves the gradual cooling and solidification of a molten planetary body?

Explanation: Crystallization involves the gradual cooling and solidification of a molten planetary body.

Question 4:

Which planet is believed to have formed through a giant impact event?

Explanation: The Earth is believed to have formed through a giant impact event, where a Mars-sized object collided with the early Earth.

Question 5:

Which gas was predominantly expelled from the inner region of the Solar System during its early evolution?

Explanation: Hydrogen gas was predominantly expelled from the inner region of the Solar System during its early evolution.