Question

A tectonic plate in Earth's crust moves at a constant rate of 4 centimeters per year. In a different world another tectonic plate moves at a constant rate of 30 centimeters in ten years.

Answer 1

is that a question?? or it's just an explanation cause I need to know whats this asking about it first before I answer it...

Explanation:

cause all I see is just a summary