Electricity is necessary to maintain the cool temperature of the interior of a refrigerator without loading tons of ice constantly inside.
No they did not because if they did then they would need electricity which they did not have. Therefore they did not have refrigerators.
yes because it uses electricity and burning electricity harms the environment!
Refrigerators run on electricity.
Yes, where there is electricity or kerosene readily available to power the refrigerators.
Commercial-size refrigerators are generally much larger than home refrigerators. Thus, commercial-size refrigerators consume more electricity and use more power.
They are not. They're run by current electricity, that comes from the power company and through the meter outside your house.
The majority of refrigerators, yes. These refrigerators only need electricity to run, not water. However some modern refrigerators do have a water line connected to them and constantly cycle fresh water, the water is near-frozen then fed into the refrigerator via vents as condensation. These refrigerators are usually huge, however, and are mostly used for commercial purposes, though some can be purchased for the home. You are fine as long as you don't have one of these huge commercial refrigerators.
Most refrigerators are powered by electricity. There are certain, specialised refrigerators that can be run on propane, natural domestic gas, or on solar power using batteries.
They're too poor and/or don't have electricity to run it off.
Anything from computers to cell phones to lights to refrigerators. The list is nearly endless.
compression technology and absorption technology. Compression required electricity to power a pump called a compressor. Absorption required gas power and did not even need a motor
Sure, and they've also got refrigerators and microwaves... Really, what kind of question is that?!?!?! They don't even have electricity!