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Light and Carbon Dyoxide
sun light soil water air
The opposite would be "light traffic".
If a traffic light breaks most cities will assign a traffic cop to regulate traffic until the light can be fixed.
The traffic light was made in 1823.
A traffic light you seen change to green
Yes. That is why they are called traffic lights.
your not so bright
It relies on a change of the speed of light in certain materials.
The first traffic light was invented in December 10, 1868. The electric traffic light was invented in 1912. The Automatic Traffic light was invented in 1927.
Reflective materials are surfaces or substances that can reflect light and redirect it back towards its source. These materials are often used for safety purposes, such as in traffic signs, clothing, and road markings to increase visibility in low light conditions. They are designed to enhance visibility and make objects more noticeable to help prevent accidents.
Traffic light Traffic jam Traffic cone