uno de los antecedentes de la Revolución francesa es la independencia de los Estados Unidos falso o verdadero y porque ayuda ​

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Which structure in the cardiovascular system connect arteries to veins?

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.