In some cases, they risked their lives to make their contributions recognized by the world. From Columbusâ discovery of the Americas to Hillaryâs quest up Mount Everest, the names of these great pioneers will remain important for centuries to come as the most famous explorers of all time.
The unvoiced French consonant sounds are CH, F, K, P, S, and T. All unvoiced consonants have a voiced equivalent; i.e., the pairs are pronounced in the same place in the mouth/throat but the first is unvoiced while the second is voiced: CH - J. F - V. K - G.
As the vocal folds vibrate, the resulting vibration produces a buzzing quality to the speech, called voice or voicing or pronunciation. Sound production involving only the glottis is called glottal. English has a voiceless glottal transition spelled h. In many accents of English the glottal stop (made by pressing the folds together) is used as a variant allophone of the phoneme /t/ (and in some dialects, occasionally of /k/ and /p/); in some languages, this sound is a phoneme of its own.