Which of the following statements about electrical charges is true?

Responses

Two positive charges attract each other.
Two positive charges attract each other. - no response given

Two negative charges attract each other.
Two negative charges attract each other. - no response given

When a combination of negative and positive charges are present, the charges of opposite signs repel one another.
When a combination of negative and positive charges are present, the charges of opposite signs repel one another. - no response given

Two positive charges repel each other.

Two positive charges repel each other. - no response given