What is the most expensive marble?

What is the most expensive marble? Calacatta How can you tell quality of marble? Dull patches on the surface of marble indicate poor quality. The simplest way to check the quality of tiles is to examine the marble under light at a 45-degree angle. Some manufacturers use artificial colours to make the marble tiles look […]

Does stone float on water?

Does stone float on water? It’s true — some rocks can float on water for years at a time. And now scientists know how they do it, and what causes them to eventually sink. In this 2006 satellite image, a large “raft” of floating pumice stones (beige) appears following a volcanic eruption in the Tonga […]

What are four items in the forensic code of ethics?

What are four items in the forensic code of ethics? While it noted the lack of a single code of ethics that covered all forensic disciplines, the working group identified four major categories addressed by every code of ethics it reviewed: 1) working within professional competence, 2) providing clear and objective testimony, 3) avoiding conflicts […]

What happens to a rock when heat and pressure were added?

What happens to a rock when heat and pressure were added? Metamorphic rocks form when heat and pressure transform an existing rock into a new rock. Contact metamorphism occurs when hot magma transforms rock that it contacts. Regional metamorphism transforms large areas of existing rocks under the tremendous heat and pressure created by tectonic forces. […]

What is the valence of K+?

What is the valence of K+? eight Why does K have no valence electrons? Elemental potassium has an [Ar] 4s1 electron configuration. One would say it has one valence electron. If we take that one valence electron away, it makes sense to say that it now has zero valence electrons because “1 – 1 = […]

Is Hannibal a cannibal?

Is Hannibal a cannibal? Hannibal Lecter M.D. (born January 20, 1933) is a Lithuanian-American serial killer, notorious for consuming his victims, earning him the nickname “Hannibal the Cannibal”. Orphaned at a young age, Lecter moved to the United States of America, becoming a successful psychiatrist. Is Hannibal Lecter a real person? Alfredo Ballí Treviño: The […]

What does a yellow buoy mark?

What does a yellow buoy mark? These marks are used to mark a special feature or area. These include area limits for anchorages, fishing grounds, or dredging/spoil areas. These buoys may be lighted, and if they are it will be a fixed or flashing yellow light. What do the buoy colors mean? Navigational Signals From […]

Is fabric a good insulator?

Is fabric a good insulator? Fabrics like wool and fleece are great insulators and will keep your body warm over an extended period of time. On the reverse side, fabrics like lace and cotton don’t hold heat well, and won’t keep your body warm very long. What fabric holds heat the best? Wool Is polyester […]

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