For decades, people thought of the Earth?s interior as changing very slowly over millions of years. This shows that we live on a remarkably dynamic planet. It also underscores the fact that we know more about the moon than about what?s beneath our feet. Now we need to understand what is driving these changes.  -   Paul Richards     Quotes
For decades, people thought of the Earth?s interior as changing very slowly over millions of years. This shows that we live on a remarkably dynamic planet. It also underscores the fact that we know more about the moon than about what?s beneath our feet. Now we need to understand what is driving these changes. Paul Richards