Natural selection is a process where living things that are better adapted to the environment around them survive longer and produce more off springs .
Oceanic crust is constantly formed at mid-ocean ridges, where tectonic plates are tearing apart from each other. As magma that wells up from these rifts in Earth's surface cools, it becomes young oceanic crust. ... Just as oceanic crust is formed at mid-ocean ridges, it is destroyed in subduction zones.
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<span>They are reactions that complement each other in the environment.</span>
