Seudónimo Seudónimo
  • 07-04-2016
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contestada

Which of the following forces requires physical contact between objects?

A) gravity
B) friction
C) magnetism
D) electricity

Respuesta :

SuperWowman
SuperWowman SuperWowman
  • 07-04-2016
The correct one is B. because non of the others need physical contact to happen. 
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