a physical lava can effect species to lose or lose conservation
physical_state_change_event is physical_destruction_event. transparency is physical_phenomenon. extinct_volcano is tangible_thing. tasting is physical_destruction_event. shield_volcano is natural_thing. lava is volcanic_rock. physical_state_change_event is physical_transformation. lavatera_assurgentiflora is bush. shield_volcano is tangible_thing. deforesting is physical_destruction_event.