1. Soil Acidity By Allah Dad Khan 2. Definition • Acid sulphate are drained coastal wetland soils that have become acid (pH

J. Eng. Technol. Sci. Vol. 47, No. 3, 2015, 279-295 279 Received February 16th, 2014, 1st Revision August 19th, 2015, 2nd Revision December 3rd, 2014, 3rd Revision January…

Carbon Cycle Carbon is found as graphite and diamond in nature, it also occurs as carbon dioxide (0.03% V/V) in the atmosphere. An atom of carbon can form covalent bonds…

Outline Solute Concentrations: Molarity Precipitation Reactions Acid-Base Reactions Oxidation-Reduction Reactions Review In Chapter 3, we learned about chemical reactions…

What is limestone? Limestone = a biochemical sedimentary rock made up mostly of calcium carbonate Mineral Crystal system Formula Remarks Calcite Rhombohedral CaCO3 Dominant…

THE FOSSIL RECORD Movement of Ocean Water Surface currents Coriolis Effect THE FOSSIL RECORD Movement of Ocean Water Surface currents Currents are also affected by the Earth's…