Which of the following is a naturally occurring component of the atmosphere?
A)chlorofluorocarbons
B)carbon dioxide
C)hydrochlorofluorocarbons
D)carbon monoxide

Question

Quizplus · Accepted Answer

Carbon dioxide is a naturally occurring component of the atmosphere, produced through natural processes such as respiration and decomposition. Chlorofluorocarbons (A) and hydrochlorofluorocarbons (C) are synthetic compounds that were widely used in refrigeration and as solvents until their harmful effects on the ozone layer were discovered. Carbon monoxide (D) is a toxic gas produced by incomplete combustion of fossil fuels and biomass.

Which of the Following Is a Naturally Occurring Component of the Atmosphere