Name two ways that plastics in the ocean can harm marine life. Fishing line, fishing nets, plastic bags, plastic six-pack rings, other plastic items 2. Any household hazardous waste could qualify as a good answer here. 4. 100,000 gallons of water. 5. 60 percent.
Marine debris is any substance that enters unnaturally in to the marine environment.
It is harmful for many reasons. It can be mistaken for food by many marine mammals and birds, and ingestion of marine debris is potentially fatal for many of these animals. Entanglement is also a danger, as nets or plastic can choke, drown, or cause other harm to marine mammals, fish, and many birds. Marine debris can also damage boats and shipping vessels by entangling propellers or through collision with larger debris. Marine debris also soils our coasts, rendering them less appealing for beach-goers and adversely affecting our economy.