(Originais Teachy 2023) - Question Medium of Spanish

In the Portuguese language, words are composed of syllables, which are sound units formed by vowels, alone or accompanied by consonants. The correct separation of syllables is essential for understanding spelling and reading. Considering the word 'combustível', which is of utmost importance in studies on the environment and sustainability, identify how many syllables are in this word and justify the syllable division according to the grammatical rules. Relate the concept of syllable to the importance of environmental preservation that the conscious use of fuels exemplifies.

Excerpt: "I know nothing about this sea, I don't know its ancient name. The map only describes features in almost a dream, the sheet in green and white. I don't know if there's a bird or wind. My compass tears the paper, points to the north close to my disoriented hand. I search in the leaf's veins for some compass." - Manoel de Barros, from the book The Book About Nothing. Based on the excerpt from the book "The Book About Nothing" by Manoel de Barros, demonstrate your knowledge of the linguistic structure, considering the following requests: a) Identify the vowel clusters, consonant clusters, and digraphs present in the quoted text and classify them. b) Perform the syllable division of the words "feições", "desnorteada", and "bússola". Then, indicate the graphic accentuation of each of these words, explaining the applied rule.