In fact, life appeared on Earth about a billion years before plate tectonics began!
So, what was it doing before? Well, the predominant theory is this: Drip-and-Plume!
In fact, life appeared on Earth about a billion years before plate tectonics began!
So, what was it doing before? Well, the predominant theory is this: Drip-and-Plume!
— John Brown
— John Brown