Additionally, how do we get Vitamin D from a nuclear reaction? It doesn’t seem intuitive that a nuclear fusion reaction would suffice me with an important nutrient.
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Plants don’t get their energy from the sun, they just use sunlight as an ingredient in the chemical reaction they use to make sugars, which gives them energy.
Basically it’s like using heat to cook food, but with visible light instead of heat. When you cook, it’s not the heat that gives you energy, it’s the food.
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