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Fuels such as oil, wood, coal, and natural gas have energy stored in them. This kind of energy is called chemical process of burning, the energy is released in the form of heat.
Photosynthesis
photosynthesis
photosynthesis
photosynthesis
the process is called evaporation
This process is called photosynthesis.
Photosythesis
Chemical bonds
Chemical energy is stored energy. The Sun starts off, it gives energy to plants. Later, cows eat the plant that has chemical energy. Then we eat the cow and we get the chemical energy.
Chemosynthesis
This process is called as biological oxidation. Here the energy is released in step wise fashion. The amount of total energy is same is chemical oxidation and the biological oxidation.