What is meant by Sulphur Shower?
(i) Sulphuric acid rain due to air pollution
(ii) Shower of yellow pollen from conifers in spring
(iii) An industrial process to treat porcelain with Sulphuric acid
(iv) Release of hydrogen sulphide from industries

• (ii) Shower of yellow pollen from conifers in spring
  
  
  More briefly, Sulphur shower is a phenomenon related to reproduction/ pollination in Pine Trees
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