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  1. The strongest evidence that comets are members of our solar system comes from ________

  2. A.

     Their composition

    B.

     Their effect on the lives of man

    C.

     The shape of their orbits

    D.

     The shape and length of their tails

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    Answer : Option A

    Explanation :

    The strongest evidence that comets are members of our solar system comes from their composition.


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