I’m pretty certain it’s d because it does not state anywhere that the sound waves are not powerful enough to make the vocal engine useful. hope this helps brainlist would be much appreciated :)
Are you sure you spelled the word right... because that is the saying of someone's wife also know as Mrs.
Answer:
he is the The greatest of Poland's Romantic poets - a poet even in exile, an ardent columnist, political activist and visionary - best known for his epic Pan Tadeusz
Explanation: