Answer:
When the natural resources Exhausted
Answer:
Oldest fossils ever found show life on Earth began before 3.5 billion years ago.
Explanation:
Answer is for the earths core to cool enough for convection to stop, then the plates would have no convection current to move them.
Explanation: If the Earth's core were to cool down, the convection currents in the mantle would stop moving. Since the convection currents drive the plates, they would stop moving.