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  1. Stars are held together by

    2. A.

     Gravitational forces
    B.

     Electrical forces
    C.

     Ionic forces
    D.

     Magnetic forces

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    Answer : Option A

    Explanation :

    A star is a sphere of gas held together by its own gravity. The closest star to Earth is our very own Sun, so we have an example nearby that astronomers can study in detail.

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