Corals. Corals are organisms in the ocean that serves as a shelter, niche and other vital functions for sea creatures. Because of human interference and man-made pollution, either this contact is direct or indirect they are being affect at a greater rate, even extinction. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
Answer:
Addiction and gum disease
Explanation:
<span> digestive? that's just a guess though, I don't know your options </span>
