Exercise 3.1 Rock around the Rock-Cycle clock
A conservative estimate is that each of these steps would take approximately 20 million years (some may be less, others would be more, and some could be much more).
Exercise 3.1 Rock around the Rock-Cycle clock
A conservative estimate is that each of these steps would take approximately 20 million years (some may be less, others would be more, and some could be much more).