Thomas claims that because of the nature of science:

Question

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The nature of science is such that we cannot predict with certainty what new knowledge will be discovered. While scientists can make educated guesses and form hypotheses based on previous evidence, the process of scientific inquiry often leads to unexpected discoveries and knowledge that was previously unknown or unexpected. Science is a constantly evolving field, and new discoveries may lead to shifts in understanding and even the re-evaluation of previously held assumptions.

Thomas Claims That Because of the Nature of Science