Speed and precision have been one of the main differences between an older and a more modern genetically modified food. In addition, these genetically modified organisms have yielded crop efficiencies although it also involves in various debates because of its unethical nature.
By the Pollution of the ocean can kill plant and animal life near by and those who eat those plants and animals
I'm pretty sire the answer to this would be
c. <span>add new genes to the gene pool </span>