Diodes and LEDs 2

FirstFirstLast2a) Describe one similarity and one difference between a light-emitting diode and a normal diode?2b) Describe one advantage of using an LED in a circuit rather than a filament lamp?

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FirstFirstLast2a) Describe one similarity and one difference between a light-emitting diode and a normal diode?2b) Describe one advantage of using an LED in a circuit rather than a filament lamp?