Final answer:
The law of conservation of matter states that the total quantity of matter remains constant during chemical reactions or changes in state. It is considered a scientific law due to its consistency in various transformations. An example of this law is the preservation of matter when consuming food.
Explanation:
The law of conservation of matter states that the total quantity of matter remains constant during chemical reactions or changes in state, whether solid, liquid, or gas. For instance, when brewing beer, the ingredients transform into beer with no loss of substances.
Conservation of matter is considered a scientific law because it is based on numerous scientific observations and has been consistently proven true in various chemical and physical transformations over time.
Example: When you eat food, although some matter is incorporated into your body and some is excreted as waste, the total quantity of matter remains the same, showcasing the law of conservation of matter.
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