As the bright Sun shines upon the water the water slowly disappears the same song like gives energy to the surrounding plans to convert water and carbon dioxide into sugar and oxygen gas which change his physical in with changes chemical

The one component in photosynthesis that can't be recycled but must be constantly available is energy.

Light energy, mostly from sunlight, is the main requirement for photosynthesis to occur.

Photosynthesis is a process wherein light energy is converted into chemical energy.

Chemical energy is generated to support the various activities of a plant or an organism.