Question:
The Earth first cooled to form solid rock... 6.5 billion
Last updated: 8/7/2022
![The Earth first cooled to form solid rock... 6.5 billion](https://media.kunduz.com/media/sug-question/raw/81704961-1659905278.1103027.jpeg?h=512)
The Earth first cooled to form solid rock... 6.5 billion years ago 4.5 billion years ago 3.8 billion years ago 3.5 billion years ago
Last updated: 8/7/2022
The Earth first cooled to form solid rock... 6.5 billion years ago 4.5 billion years ago 3.8 billion years ago 3.5 billion years ago