Multiple choice general knowledge science & technology

How old is the earth?

  1. 5,000,000 years

  2. 5,000,000,000 years

  3. 50,000,000,000 years

  4. No one knows
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Scientific evidence, including radiometric dating of meteorites and Earth's oldest rocks, indicates Earth is approximately 4.5 billion years old. Option B (5 billion) is the closest approximation among the choices, though slightly high. Earth formed from the solar nebula around 4.54 billion years ago.

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