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1. There are two types, known as positive charges and negative charges, which exist in all and in all of matter solid, liquid and gas.

2. Electrons can be removed from atoms and made to in various electrical phenomena.

3. The positive and negative charges each other to a large extent, and no electrical effects are.

4. Solids, liquids and gases can all electric current if there are enough electrons or ions.

5. The polyethylene is positively charged and an force on the paper’s negative charges.

6. The forces of electrostatic and between objects are caused by the fields associated with them.

7. The force is proportional to the of the charges, and proportional to the square of the distance between them.