I have two questions both in physics. I would like you to write an paragraph explaining the two-charge model. Who proposed it? What is the evidence?

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I have two questions both in physics. I would like you to write an paragraph explaining the two-charge model. Who proposed it? What is the evidence? Cite your sources.
Compare and contrast gravitational vs electric force in paragraph form. Cite your resources.
Running Head: ELECTRICAL AND GRAVITATIONAL FORCES Name:Institution:Course:Tutor:Date: 1 ELECTRICAL AND GRAVITATIONAL FORCES 2 Two-charge model.A charge model has negative and positive charges….

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