Multiple choice general knowledge science & technology

How old is the earth?

  1. 50,000 years

  2. 500,000 years

  3. 5,000,000 years

  4. 5,000,000,000 years

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Earth is approximately 4.5 billion years old based on radiometric dating of meteorites and Earth's oldest rocks. Option D at 5 billion years is the closest to this scientific consensus among the given choices. The other options are orders of magnitude too young.