Several previous questions dealt with similar problems.
The easiest thing to check is, did you paste the text in from a program that is not plain-text? If so, delete the field and only paste into it using paste without formatting: https://community.trivantis.com/forums/topic/bulleted-list-not-text-wrapping-correctly/
If that is not it, you might add CSS that enforces word wrapping: https://community.trivantis.com/forums/topic/printing-essay-question-answers/
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