The sentence that has a verb in the active voice is B. Guglielmo Marconi perfected a type of radio technology.
The rest of the sentences have their verbs in the passive voice. If you wanted to make a passive sentence out of B, you would say - A type of radio technology was perfected by Gugliermo Marconi.
When writers alter words in a direct quotation<span>, square </span>brackets<span>—[ ]—are placed around the change. The </span>brackets<span>, always used in pairs, enclose words intended to clarify meaning, provide a brief explanation, or to help integrate the </span>quote<span> into the writer's sentence.</span>
Answer:
creating laws and appointing heads of federal agencies
The answer would be A. because implied means suggested but not directly expressed
