The best option that express an example of endothermic reaction from tbe question is Photosynthesis.
- Endothermic reactions can be regarded as a reactions or processes whereby energy is is been gained by the substance from the environment.
- This energy could be in form of heat or light.
- Photosynthesis can be regards as an endothermic reaction simply because energy to drive the chemical reaction is required.
- In an exothermic reaction, energy is given out to the environment, and this do happen because the total energy at the reactants side is more compare to the total energy at the product side.
- Burning of wood , rusting of iron are considered exothermic simply because they all involve releasing of energy into the environment.
- without energy, Photosynthesis cannot take place, i.e the energy from the sun, this light inform of energy is absorbed by chlorophyll which is a green pigment in plant.
Therefore, Photosynthesis requires energy.
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