Scientists had begun to debate privately whether or not Pluto is a plant, but this was the first time the concept was presented in a museum for all to see
Answer: passive
Explanation: The subject or who is performing the action is not clear and in an active sentence, there is importance placed on the person who is performing the action.
Answer: I believe that the answer is A.
Answer:key words: dissuade, never
authors tone: accusatory
Explanation: