I don’t see choices here but over population is a negative thing because loss of jobs, not enough jobs, and pollution
<span>Canadian canoe routes</span>
fracture zones allow old, oceanic crust to be subducted by continental crust.
The study of the location of fracture zones has provided evidence to support the theory of plate tectonics because <span>fracture zones are the zones where new oceanic crust is formed, allowing old oceanic crust to be subducted by continental crust, thus creating a circle in the crust that is a piece of evidence in support of the theory of plate tectonics. </span>
