The carbon dioxide and oxygen cycles work through processes that convert carbon in the atmosphere into oxygen and transform oxygen back into carbon dioxide. Plants are the main producers of oxygen through a process calle... More »

According to Locust Valley Central School District, the carbon dioxide-oxygen cycle is the process through which carbon dioxide and oxygen move through the natural environment by photosynthesis, respiration, combustion a... More »

The carbon oxygen cycle is the process by which plants use carbon dioxide for respiration during photosynthesis and produce oxygen. During this process, carbon dioxide becomes part of the plant, and when the plant dies i... More »

By absorbing carbon dioxide from the air and producing the oxygen needed for life, green plants form the basis for the long-term health and sustainability of all environmental systems. Plants are the only organisms on Ea... More »

Human activity impacts the carbon cycle by introducing more carbon dioxide into the atmosphere: carbon dioxide accumulates in the atmosphere, changes temperatures and alters the salinity levels of oceans, disturbing the ... More »

The composition of Mars' atmosphere is 95.32 percent carbon dioxide, 2.7 percent nitrogen, 1.6 percent oxygen and 0.08 percent carbon monoxide. The remaining 0.3 percent is made up of various trace elements. More »

Earth's atmosphere consists of a variety of gases, including nitrogen, oxygen, argon and carbon dioxide, along with tiny solid particles such as dust, pollen and plant particles. The atmosphere also contains a small amou... More » Science Earth Science Atmosphere