1.- Describe what LEDs are:
Is an electronic device that emits light when current is passed through it.
2.- Why is it more efficient?
It is more efficient than other lifts because of its longer duration, is is more cost-effective and also is more brighter.
3.-In what country do we use LEDs?
Principally in North America, Europe and in some parts is Asia
4.- Who uses LEDs?
Every people can use them for different things, for example on the TV control or just the simple light that we use all days?
5.- What devices in home uses LEDs?
TV controls, lights, electronic devices, electronic toys, etc.