Which Is NOT a Problem That Has Resulted from Agricultural

Which is NOT a problem that has resulted from agricultural production?

A) Indigenous production relies on diversification of crops that are better adapted to local environments
B) Drainage and land reclamation destroy wetlands and the associated biodiversity.
C) Heavy irrigation has led to the shrinking of lakes and an unhealthy "dust bowl" as dust blows from the dry lakebed.
D) Synthetic fertilizers enter freshwater systems as pollution, lowering water quality and destroying aquatic habitat.