answer two questions of the article quot the case for contamination quot

Read the article “The Case for Contamination”, and type answers to these two questions

1.What does Appiah mean by the word “contamination” (in his tittle)?

2.On the last page of the article, Appiah writes “… preserving culture—in the sense of cultural artifacts—is different from preserving cultures”, what does he mean here? what distinction is he trying to make?