A problem-solution text structure is a text that presents

A problem that needs to be solved followed by a solution.

Explanation:

Problem-solution text structure is a text structure that presents the problem that needs to be solved with its solution. A problem-solution text structure is divided in two paragraphs, thr first one states the problem that needs a solution, and the second one states one or more than one solution to the stated problem.

The author raise the problem either by asking a question or directly addressing the problem which is followed by an answer or solution. Such texts follows a sequence of first stating the problem then the solution.

So, the correct answer is that a problem-solution structure address a problem that needs to be solved which is followed by its solution.

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