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  1. Which of the following celestial body contains Helium-4 in abundance?

  2. A.

     Earth

    B.

     Moon

    C.

     Venus

    D.

     Saturn

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    Answer : Option A

    Explanation :

    Celestial body Earth contains Helium-4 in abundance. Its abundance is similar to this figure in the Sun and in Jupiter. This is due to the very high nuclear binding energy (per nucleon) of helium-4 with respect to the next three elements after helium.


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