Which of the following statements is NOT supported in the passage? A. Industrial wastes and agricultural run-off are blamed for the degradation of the oceans. B. It is apparent that the ocean
Which of the following statements is NOT supported in the passage?
A. Industrial wastes and agricultural run-off are blamed for the degradation of the oceans.
B. It is apparent that the oceans have been polluted for a long time.
C. The oceans in the past were more contaminated than they are now.
D. Many pollutants deposited in the oceans finally become part of the global food chain.