2.<span>natural activities affect the earth through the poisonous gases emitted during volcanic eruptions which kill about hundreds or thousands of forest inhabitants like the animals for example. also, it destroys farmlands
3.</span><span>Removing natural resources ie Coal, Oil, Gold, etc </span> 4.<span>building things on/in it. IE homes/buildings/streets
5.</span><span>using and or contaminating the water supply</span>