Volcanic Ash

• Tephra: The Volcanic Material That Shapes Our Atmosphere
  
  An In-depth Look at Volcanic Eruptions and Their Effects
  https://www.onlineupscinstitute.com/current-affair/tephra-the-volcanic-material-that-shapes-our-atmosphere
• Mystical Geology of Hormuz Island
  
  Unveiling the Beauty of Iran's Rainbow Island
  https://www.onlineupscinstitute.com/current-affair/mystical-geology-of-hormuz-island