A. Warm air rises and F. Cooler air travels back to the ocean surface
Explanation:
Purpose of an interview is to get information on someone
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.
The Answer would most defenitly be the third option
