Explanation:
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Answer: a,b
Explanation: because a scientific theory is something that been thought of and tested multiple times.
Yes you do cause its more explanation to
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The empirical formula is P₂O₃
Answer:
A physical change, such as a state change or dissolving, does not create a new substance, but a chemical change does. In a chemical reaction, the atoms and molecules that interact with each other are called reactants. In a chemical reaction, the atoms and molecules produced by the reaction are called products.
