Question

multiple choice 1 point
how old was the earth when it got water?
4.5 trillion years
3800 million years
4.5 billion years
700 million years

Explanation:

The Earth formed approximately 4.5 billion years ago. Evidence indicates water was present early in its history, around 4.4 billion years ago, making the Earth's age at that time close to its formation age. Among the options, 4.5 billion years aligns with the Earth's formation age, which is the context here.

Answer:

C. 4.5 billion years