One of the questions that arises is therefore the extent to which the sea can in future be contaminated with pollutants without upsetting the ecological balance to an appreciable extent.
Umbuzo ophumayo ngowokuba bubungakanani bexesha elizayo ilwandle elinokungcoliseka zizinto ezimdaka ngaphandle kokuphazamiseka uxhathiso lwezinto eziphilayo nendawo eziphilayo kubungakanani obubonakalayo