Answer:
Its Photosynthesis
Explanation;
During photosynthesis green plants and certain convert solar energy into chemical energy. Green plants convert water and carbon dioxide into oxygen and energy-rich organic compounds in the presence of sunlight This process is known as photosynthesis.
Chemical reaction during photosynthesis is given as
[tex]6CO_{2}+6H_{2}O\rightarrow C_{6} H_{12}O_{6}+6O_{2}[/tex]
Later this chemical energy is transformed into other form like green plants are eaten by herbivorous to get energy.
