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A. chemical i am not a hundred percent sure but my answer would be chemical.

The kind of reaction which is more common on Earth than the sun is chemical reaction.

However, the most important chemical reaction of all the reactions on Earth is photosynthesis. This is simply because photosynthesis is the primary source of food on Earth.

What is photosynthesis?

Photosynthesis can be defined as process whereby green plants produce their food from carbon dioxide, water, chlorophlly using the energy gotten from sunlight.

The chemical equation of photosynthesis is given below:

6CO2 + 6H2O → C6H12O6 + 6O2

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