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“One metric ton of ore/rock/sand/soil has 11/30 metric tons of CO2, 1/9 kilograms of Dy, 880/3...Ore, rock, sand, soil
“In many places, demand for water exceeds supply. Approximately 97% of the world's water is salty...Water conservation
“Coal is a combustible black or dark brown rock consisting mainly of carbonized plant matter...Coal
“Recycling one gallon of motor oil can save 1,000,000 gallons of water pollution, 4 acres of land...Oil recycling
“Sick building syndrome occurs when several people are affected, but no specific source of the...Indoor Air Pollution
This category has the following 7 subcategories, out of 7 total.
Pages in category "Water Pollution"
The following 76 pages are in this category, out of 76 total.