The answer is D.
The theory of continental drift more or less states that the continents move apart, so in order of most 'together' is B, C, A. The answer that corresponds is D.
        
             
        
        
        
Otter attacks on humans are rare. Prophylactic antibiotic therapy after an animal bite is indicated for clinically significant injuries and a weakened immune response. '
The otter's main barrier against heat loss is an airtight barrier. The otter vigorously rubs its paws together to seal the air next to its skin. It can also breathe air through its fur. Underwater, they look silver because of the oxygen in Turkey. Sea otters swim on their backs when they sleep. 
They can wrap themselves in seaweed or hold each other's hands  while they sleep to stay there and float out to sea. Sea otters have three main strategies  to escape from predators: run, hide in the kelp where they live, or  surface. They can also use their powerful teeth when they encounter other sea otters. 
Learn about otters:
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Continent-continent collisions:)
        
             
        
        
        
Dead zones are hypoxic (low-oxygen) areas in the world's oceans and large lakes, caused by "excessive nutrient pollution from human activities coupled with other factors that deplete the oxygen required to support most marine life in bottom and near-bottom water.