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20. Which set of statements is an example of contradicting opinions or claims?
Only insects are affected by DDT. The entire web of life is affected by DDT.
All living things are harmed by the overuse of DDT. Entire ecosystems are affected.
DDT helps control insects that destroy crops. DDT helps stop the spread of disease.
DDT creates a decline in the population of birds. DDT impacts the reproduction of
fish.