Multiple choice

The Earth is approximately

  1. 8.5 billion years old

  2. 4.5 billion years old

  3. 6.6 billion years old

  4. 10.5 billion years old
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Scientific evidence from radiometric dating of meteorites and Earth rocks indicates Earth formed approximately 4.5 billion years ago. This age is consistent across multiple dating methods and is the accepted scientific consensus. The other options (8.5, 6.6, 10.5 billion years) are not supported by geological evidence.

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