Salvatore had grown tired of his fish tank and would like to get rid of the fish and contents of the tank in a nearby freshwater canal. Which argument presents the most devastating consequences of Salvatore's dumping of the tank?

He may be introducing an invasive species that will damage the ecosystem

He may be killing the creatures living in the tank.

He may be destroying the opportunity for owning pets in the future. - I know it is not this one

He may be polluting the lake with the contents of the tank.

Question

Salvatore had grown tired of his fish tank and would like to get rid of the fish and contents of the tank in a nearby freshwater canal. Which argument presents the most devastating consequences of Salvatore's dumping of the tank? 

 He may be introducing an invasive species that will damage the ecosystem 

 He may be killing the creatures living in the tank. 

 He may be destroying the opportunity for owning pets in the future.    -   I know it is not this one

 He may be polluting the lake with the contents of the tank.