SawaalBoxसवाल बॉक्स

Consider the following : 1. Pyroclastic debris 2. Ash and dust 3. Nitrogen compounds 4. Sulphur compounds How many of the above are products of volcanic eruptions ?

  1. (a)Only one
  2. (b)Only two
  3. (c)Only three
  4. (d)All four
Show answerHide answer

Official answer(d) All four