Answer:
B and E
Explanation:
Sure! Remember, in passive voice, the receiver of the action would come first and then the doer of the action comes after.
In A, the person doing the action is the teacher and she comes first, meaning this is in active voice.
In B, the fire department is the person who received the action of being alerted by the alarm and they come first, meaning this is in passive voice.
In C, this is in active voice since the doers of the actions, the scientists, are presented first before the receivers of the actions, the data.
In D, the doers of the actions, the technicians, are coming first before the receivers, indicating that this is in active voice.
In E, the surveys are the receivers of action and the doers of the action, the volunteers, come last, showing that this is in passive voice.
