sentence: Plants use carbon dioxide to make food.
sentences_before: It is a gas at room temperature. It is made of one carbon and two oxygen atoms. People and animals release carbon dioxide when they breathe out.
sentences_after: This process is called photosynthesis. The properties of carbon dioxide were studied by the Scottish scientist Joseph Black in the 1750s.
concept_name: plant
headings: Carbon dioxide
categories: Organic compounds Biochemistry Greenhouse gases Oxides