Marble is a softer and more porous surface than granite or quartz so it can wear slightly. Part of marbleâs charm is its changing luster as it ages, though it can always be re-polished and restored to its original shine. Marble typically requires sealant every year as well.arble is a metamorphic rock composed of recrystallized limestone or carbonate minerals, such as calcite and dolomite. When these rocks are exposed to extreme temperature and pressure, the recrystallization process forces each molecule closer together and forms an interlocking carbonate crystal structure.
These 10 animal facts will amaze you. A doctor of osteopathic medicine (DO) is a physician with training that differs slightly from that of a medical doctor with an MD. He or she is equally educated, with four years of undergraduate training, four years of medical schools, and additional years if he or she chooses to specialize.
Rating Newest Oldest. Best Answer: DO's are doctors of osteopathic medicine. Their medical school training includes a variety of things more like chiropractic care (spinal manipulation) as well as all the basic anatomy, physiology, biochemistry and pathology that MD medical students get.