it helped other people by allowing them to stop and letting cars pass
It made the light bulb have light.
the luminous energy to help people light up their home to make things visible.
she gave them warmth and light
By providing a portable light source that lets people see in dark places.
candle
A torch is carried to help people see in the dark of night.
it helped other people by allowing them to stop and letting cars pass
By providing a portable light source that lets people see in dark places.
the light bulblater evolved into something that polutes, so in one way it wouldn't help
It can by many things such as like smelling and burning people lol
Yes. (semaphore)
You can learn things from them. And don't read them in dim light.