Answer: The force which exists between particle of same kind of substance called cohesion force. A . B . The force of cohesion is defined as the force of attraction between molecules of the same substance.
Explanation:
Answer:
weight hung from a fixed point so that it can swing freely backward and forward.
The excited atom is positive when then neutral has no charge
Answer:
Por tanto, podemos concluir que en medio kilogramo hay un total de 500 gramos
