Multiple choice

The age of earth is believed to be

  1. 10 million years

  2. 100 million years

  3. 1000 million years

  4. 4000 million years
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Earth's age is approximately 4.54 billion years (about 4540 million years). Option D states 4000 million years, which is the closest approximation among the choices provided. The other options (10, 100, and 1000 million years) are far too young and represent incorrect time scales for Earth's geological history.

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