That leaves approximately 1%, which is made up of atoms of unreactive argon, and molecules of carbon dioxide. Carbon dioxide is a product of respiration, but it’s also taken in by plants for ...

During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. These sugar molecules are the basis for more complex molecules made by ...

Carbon dioxide is made up of one carbon atom covalently bonded to two oxygen atoms. Although electrons are shared, they are not shared equally between the carbon and the oxygen atoms. The oxygen atom ...

However, whereas humans search for substances like fossil fuels to power their homes and businesses, cells seek their energy in the form of food molecules ... the form of carbon dioxide (Figure ...

At this stage, it interacts with molecules of CO 2 in a way that prevents some of it from escaping Earth's atmosphere. The trapped heat energy leads to increased average global surface air ...