Question

1. according to the nebular hypothesis, when did the solar system form?

○ 4.6 billion years ago
○ 2.5 billion years ago
○ 4.5 million years ago
○ 6.6 billion years ago

Explanation:

The nebular hypothesis states that the solar system formed from a nebula. Scientific evidence and research indicate that the solar system, including the Sun and planets, formed approximately 4.6 billion years ago.

Answer:

A. 4.6 billion years ago