A Chemical change is any form of chemical reaction changing the state of the matter involved. When you fry an egg, you are making a reaction between the heat and the chemicals that make up the egg. Therefore once you have fried that egg, you have completed a chemical reaction. This is why it's a chemical change when you fry an egg.
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A is the coorrecct answuer
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4NH₃(g) +3O₂(g) ⇒2N₂(g) +6H₂O(g)
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he brought language and culture
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