Millions for sure!
Depends on what type and quality of light bulbs.
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alot... there is over 17 terawatts used in one year and one terawatt can light up 3 billion light bulbs so im guessing like 3-6 billion light bulbs a yearprobably more though
The average American household uses about 30 to 50 light bulbs per year. This number can vary based on factors such as the size of the home, the types of bulbs used, and the frequency of bulb replacements. Additionally, the shift towards energy-efficient LED bulbs, which have longer lifespans, may reduce the total number of bulbs replaced annually.
light is used for many things that occur in everyday life such as we use light bulbs, candles, lamps and most of the light comes from the sun which has bin here many year :) we use light everyday to see :)
Thomas Edison got $3000000000 in his whole lifespan of selling light bulbs
Have you checked the rear bulbs to see if they are out? If not then it is probably not what that means.
Approximately 7 billion light bulbs are discarded each year in the United States alone. Globally, the number is significantly higher, with estimates suggesting that billions more are thrown away worldwide. Many of these bulbs end up in landfills, raising concerns about environmental impact, especially with certain types like compact fluorescent bulbs that contain hazardous materials. Recycling programs are being developed in various regions to mitigate this issue.
Depending on the type of light bulb, they can last ranging from 2 - 3 years on a full year use basis or 6 - 7 years on a seasonal basis. Better light bulbs will most likely cost more, but they will last about a year longer in both situations.
Fluorescant light bulbs are much more efficient than incandescant, (lasting up to 7 years) and provide more light as well. They can save you hundreds of dollars on energy per year, depending on the number you replace.
nine million animals de a year from broken bones.