Answer:
B). Have destroyed much of the Arctic's fragile coastal ecosystem due to increased foraging.
Explanation:
Snow geese belongs to species of goose from North America who feed on variety of aquatic plants and its parts along with the grains and grasses.
As per the question, it has lead to 'destroying so much of the Arctic's fragile coastal ecosystem due to its increased foraging' as 'snow geese' love to be fed on aquatic plants like sedges, horsetails, rushes, etc. to accomplish their voracious appetites that eventually destroys coastal ecosystem of Arctic region. Thus, option B is the correct answer.