What Are The Three Sources Of Atmospheric Carbon Dioxide?

What Are The Three Sources Of Atmospheric Carbon Dioxide? There are both natural and human sources of carbon dioxide emissions. Natural sources include decomposition, ocean release and respiration. Human sources come from activities like cement production, deforestation as well as the burning of fossil fuels like coal, oil and natural gas. What are the main

What Are The Types Of Light Sources?

What Are The Types Of Light Sources? Natural light sources. Artificial light sources. Incandescent light sources. Luminescence light sources. What are the three types of light producing sources? Details on the development of artificial light, including the incandescent bulb, fluorescent lighting and LED lighting may be found on the US Department of Energy website. Sources

What Is The Primary Source Of Light?

What Is The Primary Source Of Light? Light comes from different sources called light sources; our main natural light source is the sun. Other sources include fire, stars and man-made light sources such as light-bulbs and torches. What is primary and secondary sources of light? Some sources are not self-luminous, i.e., they do not emit