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Pollution and Car Maintenance
Service stations seem to charge a lot to change the oil and antifreeze in a car. It seems much easier to just do this in
the alley behind the house. The old oil and antifreeze can be dumped out, since no one ever walks in the alley.
Select one or more:
O a. sediment
O b. toxic
O c. bacterial
O d. nutrient
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Ответ:
the law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products