Question

Which things were used in the absence of electric bulb?​

Answer 1

Answer:

moon , candles , torches

Answer 2

$\huge\mathbb\fcolorbox{purple}{lavenderblush}{✰αηsωεя}$

Sure were using less energy but we have garbage lives. Without light bulbs air travel couldn't be what it is today. There's limited ability to coordinate mass aircraft usage if we don't have radar (screens), warning lights, and interior cockpit lighting for night flying.