saithoca
Doçent
Alexander Graham Bell developed a device that ---- speech to sound waves which ---- using an electric current of fluctuating intensity and frequency.
A) reduced / could be replicated
B) was reduced / was replicated
C) reduced / would be replicating
D) had reduced / replicated
E) could be reduced / had replicated
A) reduced / could be replicated
B) was reduced / was replicated
C) reduced / would be replicating
D) had reduced / replicated
E) could be reduced / had replicated
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