Answer:
internal migration: moving within a state, country, or continent.
external migration: moving to a different state, country, or continent.
Explanation:
atleast trying to make it renewable as possible, not use it too much, not taking the non renewable one, possibly find a new place that have the enough resource and.. maybe going further into space to use it resource
That would be B cytokinesis...best way to remember that is both have the root word cyto in them