Name the two substances which combine in green leaves in the presence of sunlight to make food

Name the two substances which combine in green leaves in the presence

1.	Name the two substances which combine in green leaves in the presence of sunlight to make food
Answer» The leaves have a GREEN pigment called chlorophyll. It helps leaves to capture the energy of the SUNLIGHT. This energy is used to synthesise (prepare) food from carbon dioxide and water. Since the SYNTHESIS of food occurs in the presence o f sunlight , it is called PHOTOSYNTHESIS (Photo: light; synthesis : to COMBINE).