What is the primary characteristic that distinguishes vowels from consonants in terms of articulation?, Vowels require more muscular tension than consonants, Vowels are produced with obstruction in the vocal tract., Vowels are produced without obstruction., Vowels are always louder than consonants., According to articulatory relevance, what type of energy do vowels involve?, Strong and localized muscular effort., Diffuse and less concentrated muscular effort., No energy at all., Only energy from the air stream., In acoustic terms, what does F1 reflect about vowels?, The horizontal tongue position, The presence of vocal cord vibration., The vertical tongue position., The roundedness of the lips., What type of vibrations characterize consonants, according to the essay?, Periodic vibrations with clear tones., Non-periodic vibrations and lower total energy., Only low-frequency vibrations., Continuous tones with high intensity., Which of the following is a characteristic of sonorants?, They are purely consonantal with no voice., They are always high-energy sounds., They cannot be syllabic in any position., They involve an obstruction like consonants.

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