Identify the underlined segment in the following sentence, which contains the mistake that needs to be corrected.He proved that if only germs were excluded of wounds, the inflammation was averted.

Explanation

The underlined segment that contains the mistake is "were excluded of wounds." The correct phrase should be "were excluded from wounds." The preposition "from" is used to indicate that something is removed from something else. In this case, the germs are being removed from the wounds. The correct sentence should read: He proved that if only germs were excluded *from* wounds, the inflammation was averted.