Why Do We Need Light?


Light has a very vital role in our everyday life. It is used to illuminate objects and to guide our way in the dark. Light is also very essential in transportation as it guides drivers, pilots and sailors as they navigate. Without light from the sun, plants would not be able to manufacture food required for their growth and survival.
Q&A Related to "Why Do We Need Light"
As the California Energy Commission explains, increasing alternative fuel use can provide more options for consumers. These energy options can act as competition for more popular
The green leaves of sprouts, new seedlings, use light energy to produce the food the plant needs to grow. Photosynthesis requires specific wavelengths of light, namely blues and reds
Plants in a home are typically divided into three categories based on their lighting needs. These categories are low light plants, medium light plants and plants with high lighting
If you have eliminated vibration noise from loose fittings or metal parts of the fluorescent light fixture, the cause of humming may be ballast harmonics. Two types of ballasts exist
2 Additional Answers
We need light to see when it is dark outside. If we did not have light we could easily stumble and get hurt, or be attacked by wild animals.
We need light just as much as plants do, but for different reasons. One is our internal body clock. Light regulates our internal clock and tells us when it's time to sleep and when it's time to wake up. It also prevents depression and illness. We need light to give us certain vitamins we need. You can find more information here: http://www.jsonline.com/features/29324864.html
About -  Privacy -  Careers -  Ask Blog -  Mobile -  Help -  Feedback  -  Sitemap  © 2014 Ask.com