Characteristics of Isotonic and Hypertonic. 1  Concentration of solute and solution. 2  Examples. 3  Cells response in hypertonic and isotonic solution (See figure 1) 4  Water concentration gradient. 5  Solute concentration gradient. 6  Osmotic shift. 7  Movement of water. 8  Sports drinks.
However in my opinion some of the hardest and strongest rocks in the world are the quartzites found in the Witwatersrand in South Africa, Quartzite is a sandstone which has metamorphosed-that is it has been subject to high pressures and temperatures which have modified its structure.
Even with Defects, Graphene Is Strongest Material in the World. Graphene remains the strongest material ever measured and, as Professor Hone once put it, so strong that it would take an elephant, balanced on a pencil, to break through a sheet of graphene the thickness of Saran Wrap.â.