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  2. CompTIA - Wikipedia

    en.wikipedia.org/wiki/CompTIA

    CompTIA Advanced Security Practitioner (CASP+) is the highest level certification in CompTIA's cybersecurity pathway after Security+, CySA+, and PenTest+. The CASP+ certification was accredited by the International Organization for Standardization (ISO) and the American National Standards Institute (ANSI) on December 13, 2011. [ 3 ]

  3. A+ - Wikipedia

    en.wikipedia.org/wiki/A+

    A+ (grade), the highest grade achievable in a grading system based on letters of the alphabet A+ certification , the professional computer technician certification by CompTIA Missouri A+ schools program , a student incentives program in Missouri

  4. Black Stone - Wikipedia

    en.wikipedia.org/wiki/Black_Stone

    The Black Stone is seen through a portal in the Kaaba. The Black Stone (Arabic: ٱلْحَجَرُ ٱلْأَسْوَد, romanized: al-Ḥajar al-Aswad) is a rock set into the eastern corner of the Kaaba, the ancient building in the center of the Grand Mosque in Mecca, Saudi Arabia.

  5. Rock (geology) - Wikipedia

    en.wikipedia.org/wiki/Rock_(geology)

    In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition , and the way in which it is formed.

  6. Bluestone - Wikipedia

    en.wikipedia.org/wiki/Bluestone

    It is a "convenience" label rather than a geological term, since at least 46 different rock types are represented. One of the most common rocks in the assemblage is known as Preseli Spotted Dolerite—a chemically altered igneous rock containing spots or clusters of secondary minerals replacing plagioclase feldspar. It is a medium grained dark ...

  7. Rock balancing - Wikipedia

    en.wikipedia.org/wiki/Rock_balancing

    Rock balancing (also stone balancing, or stacking) is a form of recreation or artistic expression in which rocks are piled in balanced stacks, often in a precarious manner. Conservationists and park services have expressed concerns that the arrangements of rocks can disrupt animal habitats, accelerate soil erosion, and misdirect hikers in areas ...