Which best describes how the atmosphere's CO2 content was regulated before the Industrial Revolution? Which best describes how the atmosphere's CO2 content was regulated before the Industrial Revolution? Inputs of CO2 to the atmosphere resulted from cellular respiration and widespread use of fossil fuels. These inputs were much greater than the uptake of CO2 by producers. CO2 was taken up by organisms for use in cellular respiration; a similar amount of CO2 was released by plants and other producers. CO2 was released by organisms as a by-product of cellular respiration; photosynthesis contributed additional CO2 to the atmosphere. CO2 was released by organisms as a by-product of cellular respiration; a similar amount of CO2 was absorbed by plants and other producers.

definition

                    entropy is a measure of the randomness or the extent of disorder of a chemical process.

                      enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

                        entropy is measured in joule per kelvin (jk⁻¹)   whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

                            entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

                              in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.

on passing the small ampere of electric current through the tube made of ar and hg of cfl generates uv rays which excites the fluorescent and thus emits the high radiation by consumption of just 5- 12 w in comparison to incandescent light which requires more power such as around 40 - 55 w to lighten.

moreover the life span of fluorescent or cfl is around 8000 h whereas the life span of incandescent is around 1200 h

hence, the building installed with incandescent lights bears more electricity bill.