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Discussion :: World Geography

  1. The subatomic particles arriving from outer space having high energy are called

    2. A.

     protons
    B.

     electrons
    C.

     cosmic rays
    D.

     None of the above

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    Answer : Option C

    Explanation :

    The subatomic particles arriving from outer space having high energy are called cosmic rays. High-energy particles arriving from outer space are mainly (89%) protons – nuclei of hydrogen, the lightest and most common element in the universe – but they also include nuclei of helium (10%) and heavier nuclei (1%), all the way up to uranium.

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