Sea Otters Declination

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The article states that there is a rapid decline in the population of sea otters, the mammals found along the coast of California to Alaska. The article claims that the reason for the declination is because of environmental pollution and provides two reasons of support. However, the speaker refutes that the dwindling is due to predation. First, the reading claims that environmental pollution is the most likely cause because oil rigs found along the coast cause pollution to a greater extent. Further, the increased in chemical levels decreases the immune strength of the sea otters which indirectly leads to death. The speaker refutes this point by saying that, dead sea otters are seldom seen on the shore which indicates that the sea otters are

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