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Q: What purpose does the traffic light serve?
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The heat and light we receive from the sun is radiant energy, as is the light we obtain from light bulbs.


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Thylakoid is a membrane-bound compartment inside cells known as chloroplasts and cyanobacteria. Thylakoid serve to facilitate the light-depended reactions of photosynthesis. They convert light and glucose to energy.


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The digital camera's sensor is equivalent to the light-sensatve emulsion on film.


What is the opposite of heavy traffic?

The opposite would be "light traffic".


What is the purpose of colors?

Colors are USED to do many things- tell when a traffic light changes, when a fruit is ripe, etc. However, colors simply ARE- there is no specific purpose, other than a Divine purpose. But they are really handy.


What happnes if the traffic light system brakes down?

If a traffic light breaks most cities will assign a traffic cop to regulate traffic until the light can be fixed.


What is the main purpose for traffic signs?

To regulate the flow of traffic.


What year was the traffic light inveted?

The traffic light was made in 1823.


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