Carbon dioxide is important because it is used in photosynthesis, a process that is necessary for the survival of life on Earth. Carbon dioxide is also a vital greenhouse gas that helps trap heat in the atmosphere, and i... More »

Carbon dioxide is a colorless, non-organic compound that is a gas at room temperature and comprises about 0.03 percent of Earth's atmosphere. It is produced when materials that contain carbon are combusted, and it is one... More » Science Environmental Science

Plants absorb carbon dioxide from the air, through the stomata present in their leaves. Stomata are small holes that are present in the underside of leaves. More »

Carbon constitutes the sixth-most-abundant element in the universe, accounts for 20 percent of the weight of almost all living organisms, and makes up roughly 0.04 percent of the Earth's atmosphere in the form of carbon ... More » Science Chemistry

Carbon fixation, which is also referred to as carbon assimilation, is a process in which carbon dioxide is converted to an organic compound by a living organism. An example of carbon fixation is photosynthesis. More »

Gasoline burning is an example of a chemical change, because this process produces water vapor and carbon dioxide. For something to be categorized as a chemical change, it must form new chemical substances. It also entai... More »

Plants produce oxygen and carbohydrates from carbon dioxide and water through the process of photosynthesis. Sunlight reacts with chlorophyll in the plant's leaves, and the plant stores that energy in the chemical bonds ... More »