contaminacion
there's no pullution
pullution
Acid rain
water pullution is when people put trash in the water and it hurts the animals
pullution change the pH of water
well yes if it is directly inhaled. then you would die from smoke inhalation
How have humans activities affected the Aral Sea
smoking exercise pullution strong wind thinkness of air cleaness of nostrol
D. S. Moulder has written: 'A bibliography on marine and estuarine oil pullution'
Nothing is bad about the US, except the illegal immigrant's.
Bacteria makes us ill and be sick