Answer : The process is known as photosynthesis.
Explanation :
Photosynthesis : It is a chemical process which occurs in the green plants or living organism.
During photosynthesis process, the carbon dioxide reacts with water in the presence of sunlight to gives glucose and oxygen as a product.
In the photosynthesis reaction, carbon dioxide and water molecule are the reactants and glucose and oxygen are the products.
The balanced chemical reaction will be,

Hence, the process is known as photosynthesis.