Method #1: Recover from Autosave. By default, Word auto-saves a document every 10 minutes (this can be decreased or increased, see below) that it will automatically recover if the document closed due to a malfunction. Word will not auto-save a file that has been closed willingly using the Word close button.
â¢ Is metal one of the hardest material in the world? Yes, they are but the hardest material in the world known to mankind is DIAMOND. â¢ What is the hardest metal? The hardest known metal alloy, and the hardest known metal in general, is a type of carbon steel, Alloy 1090. With a tensile strength of .84 GPa (122,000 psi) and a yield strength of .64 GPa. (67,000 psi), carbon steel is surpassed in hardness only by very hard nonmetals, such as ruby, diamond, or aggregated diamond nanorods.
A scale based on the ability of one mineral to scratch another. Talc is the softest and is #1 on the scale, while a diamond is the hardest and is #10 on the scale. Geologist. A scientist that studies rocks and minerals and the earth's surface.ocks that form when layers of rock particles (sediment) are squeezed or stuck together. Fossils are most often found in this type of rock. Streak. The color of powder left behind when you rub a mineral against a white tile.