How old are the oldest rocks of the ocean floor? less than 200 million years old between 200 and 500 million years old approximately 500 million years old approximately one billion years old

Hey There,

      The answer to your question is option B) Between 200 and 500 million years old.

These rocks are younger than the Earth and also younger than rocks found on continents. (Those rocks are 4-5 billion years old.)

Best Of Luck,

  - Kai -