I can't see the examples. But assonance means a resemblance in the sounds of words or syllables either between their vowels (e.g., meat, bean) or between their consonants (e.g., keep, cape).
This suggests that the writer belivies, or want to believe, that dragons could be real or were real.
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B) Billions of pounds of plastic trash litter the world’s oceans and beaches.
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What is the question? and what are the lines