The right option is; b. Debris is carried to the ocean by winds, rivers, and storms
Marine debris is any human created solid materials that are released indirectly into waterways through streams, rivers, winds and storm drains or directly through littering. Marine debris can include plastic bags and glass, beverage cans, abandoned fishing nets or traps that end up in the ocean causing harm to marine life. From the question, "debris moved to the ocean by winds, rivers, and storms " best explains why marine debris is not caused solely by countries bordering the ocean.