Artificial eutrophication is caused by

Fertilizer from farms, lawns, and gardens is the largest source of nutrients that cause artificial eutrophication. Phosphates in some laundry and dish-washing detergents are another major cause of eutrophication . Phosphorus is a plant nutrient that can cause the excessive growth of algae

Explanation:

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.