'Sulfur dioxide reacts in the atmosphere to form particles & this tree-damaging precipitation'
acid rain
THE BAD AIR UP THERE: Sulfur dioxide reacts in the atmosphere to form particles & this tree-damaging precipitation
Sulfur dioxide reacts in the atmosphere to form particles & this tree-damaging precipitation
Sulfur dioxide reacts in the atmosphere to form particles & this tree-damaging precipitation
THE BAD AIR UP THERE
acid rain
THE BAD AIR UP THERE