The types of structures are used in the text are options A and C which are problem and solution chronological comparison and contrast
Sentence structure refer to the method or way that sentences are put together grammatically which make sense and also refer to how noun , verbs, pronoun or adverbs are arranged in a sentence.
Therefore, The types of structures are used in the text are options A and C which are problem and solution chronological comparison and contrast
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The question is incomplete, below are the options gotten from brainly website.
problem and solution
cause and effect
chronological comparison and contrast