Observing a seth of pith balls with posotive charges, how does the distance between the pith balls affect the electrical charge?

The greater the distance between the pith balls, the greater the amount of electrical charge that exisit between them.

the lesser the distance betwen the pith balls , the greater amount the great distance of the pith balls
the lesser the amount of electric charge that exisit between them.

the distance between the pith balls will not affect the electric charge
I think that it is C am I right?

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