Answer:
Make sure your house is sealed up tight.
Use a smart thermostat.
Make sure your exhaust fan is working properly.
Turn off your appliances and electronics when you leave.
Set the hot water heater to a lower temperature
Mr. O'Brien and Winston are the principals starrings of the novel.
Textually O'Brien tells Winston: The first thing you must realize is that power is collective. The individual only has power in so far as he ceases to be an individual..alone...free.. the human being is always defeated.
That is the first thing from O'Brien to Winston.
The answer is B. exposition, the exposition gives info on the story and background characters before the plot takes place.