With any major scientific discovery, the previous work of many different scientists helps contribute to final conclusions . Which of the following scientists' work did not contribute to the discovery of the structure of the DNA molecule?

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you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.

the correct answer is d