I would say 1. The light bulb because candles were far more of a fire hazard and a lot less light 2. Electric heater because again a lot less of a fire hazard and less prep work 3.electric refrigerator because you could safely store food for a long time with out spoil and or deep freezer for the same reason. Edit: some of this you might want to reword.
a direct democracy people go directly to meetings to speak. these are normally in small places and countries. in larger countries there are representative democracy (which the us has) people are elected who have the same views as the people and they represent the people. this is used in larger countries.
You should give more details, though.
If you mean to Brainly, I think that more options should be added for more students to join.
The answer is b). The communist east Germany was held by USSR and the democratic West Germany was with the Western Powers
Answer:
D. the most desirable alternative given up as the result of a decision
Explanation:
Opportunity cost is the cost that that will be incurred as a result picking the desirable alternative out of the best possible alternatives.