The 3 reactants in the photosynthesis process are
Plants require energy to carry out the functions that keep them alive, just like all other living organisms. They eat to obtain this energy. Humans and the majority of other animals are heterotrophs, which means that humans must eat other species such as plants, animals, or a combination of both, in order to survive. However, because they are autotrophs, plants produce their own food. Photosynthesis is the process through which plants use sunlight to change water and carbon dioxide into glucose and oxygen.
Hence, In plants carbon dioxide and water in presence of sunlight forms carbohydrates.
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