depending on what type of faucet you have sometimes you need to close both hot and cold angle stop valves under sink.
The fan relay is stuck.
Jamaica has municipal water systems and plumbing. They even have electricity, believe it or not!
yes you are even though you are not in the shower you are still wasting water
The water is 27.6 in deep and slopes up to even with the running surface
You have a bad valve, and need to replace it. I replaced the valve and hot water continues to run through the tube through the basement floor.
You can rinse the hepa filter under running water
Yes, magnetism happens even under water.
The faucet drips even when the water is turned off.
Definitely. A rock sinks in the ocean because gravity operates on it even under water. A log floats in water not because gravity stops under water but because the log's density is lower than that of the water.
Running can be done in all kinds of surfaces, even in water (pool or water running). It's most commonly on solid surfaces such as concrete, asphalt, rubberized (ie: all-weather track), gravel, cinder, dirt, grass.
I hope you mean under water. And yes they can. Some mammals even live under water, like a dolphin, whale or seal.
There should be no reason the toilet would overflow. The water being turned off should have no effect on it. As long as the drain is clear even if the shut off valve in the tank didn't work, the water will just go down the drain.