Question

oceans cover a large percentage of the earths surface, forming a massive hydrospheric system. what is the main concern related to pollution in oceans? pollution that runs off from the continents immigration patterns of marine life the lifespan of aquatic animals

Explanation:

Continent - runoff pollution (e.g., chemicals, waste) directly impacts ocean ecosystems. Immigration patterns and aquatic lifespan are affected by pollution but are not the main pollution - related concern.

Answer:

pollution that runs off from the continents