इमेजिन योरसेल्फ टू यूजेस ऑफ प्रेम चोपड़ा सिंह के प्रीपेड वैलिडिटी इन अबाउट इट व्हाट टू डू प्रेगनेंसी इन द कोर्ट
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Pitch, in speech, the relative highness or lowness of a tone as perceived by the ear, which depends on the number of vibrations per second produced by the vocal cords...
Sorry but plzz write ur question in English
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