Answer:
I think the answer is Mr. Culpepper wants to help his students but does not know how to do it
Hey ! Without the environment, there would be no democracy and no peace. They all intertwine to form a society of peaceful people. With peace, an environment could be much cleaner. Have a great day...
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.
