Son

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Auxiliary

  a

Determiner

  expresión

Noun

  matemática

Adjective

  da

 conservación  de

Adposition

  masa

Noun

  e

Coordinating conjunction

  de

Adposition

  cantidade

Noun

  de

Adposition

  movemento

Noun

.

They are the mathematical expression of the conservation of mass and amount of motion.

They are the mathematical expression of the conservation of mass and amount of motion.