BotanyChoose the set of all beneficial elements.

Choose the set of all beneficial elements.

  1. A

    Selenium , Sodium, Sulphur 

  2. B

    Calcium, Cobalt, Copper 

  3. C

    Selenium, Cobalt, Silicon, Sodium 

  4. D

    Hydrogen, Calcium, Potassium

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    Solution:

    Sodium, cobalt, selenium, and silicon are beneficial elements.

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