Which of the following is true about metamorphic rocks? Select one or more: o a. Zoroaster Granite is a metamorphic rock O b. Vishnu Schist is a metamorphic rock o c. Marble is a metamorphic rock that forms from a limestone protolith O d. Limestone is a metamorphic rock

c. Marble is a metamorphic rock that forms from a limestone protolith

Explanation:

Marble is a metamorphic rock with recrystallized carbon commonly in dolomite. maybe referred to as metamorphosed marble. Being characterised by veins of distinct colours, due to many impurities of clay, sills, sand, and iron-rich oxides. Before metamorphism, the calcite in the limestone is often in forms of fossil material and debris. As metamorphism progresses begins the crystals in rock grow larger and become easy to recognize. Marbles are commonly used as a building material in tiles and plates and interior decorative items as there resistance to abrasion and colour properties as they being uniform thickness and resistant to water.