Focus: therm, hydro (p. 5,6). de- away, down, not.
WHAT IS THE VALUE OF WATER?. FACTS ABOUT WATER What percent of the planet is water? What percent of the planet is water? How much is fresh water? How.
Minerals. A Mineral is… Naturally Occurring – made by nature – not by man.
Descriptive Mineralogy Sulfides. Classification of the Minerals Non-Silicates –Native Elements –Halides –Sulfides –Oxides –Hydroxides –Carbonates –Sulfates.
