The four sentences (labelled 1, 2, 3 and 4) below, when properly sequenced, would yield a coherent paragraph. Decide on the proper sequencing of the order of the sentences and key in the sequence of the four numbers as your answer:
Explanation:
The passage revolves around the theme of collagen. This is introduced in statement 2 and hence it is the best opening statement.
Statement 4 and 3 make a strong pair. Statement 4 tells us how risk of diseases inhibited the use of collagen in the medical field while statement 3 tells us why this is not an issue with fish skin.
Statement 1 further strengthens the argument for using fish skin collage and hence should follow statement 3.
Hence, 2431.
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