Marine pollution occurs from substances used or spread by humans.
Examples include industrial, agricultural and residential waste, particles, noise, excess carbon dioxide or invasive organisms.
Air pollution also carries off iron, carbonic acid, nitrogen, silicon, sulphur, pesticides or dust particles into the ocean.
Pollution often comes from nonpoint sources like agricultural runoff, wind-blown debris, and dust.
Land and air pollution have proven to be harmful to marine life and its habitats.
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