geography MCQ #82

What is the age of Earth?

geography MCQ #82

  1. Question 1

    Q1. What is the age of Earth?

    • A) 4.6 billion years
    • B) 6.1 billion years
    • C) 5.9 billion years
    • D) 4.1 billion years

    Answer: 4.6 billion years

    Explanation: Earth is approximately 4.6 billion years old, determined by radiometric dating of the oldest known Earth rocks and meteorites from the solar system's formation.