Description : Which one of the following is igneous rock? (1) Limestone (2) Granite (3) Marble (4) Slate
Last Answer : (2) Granite Explanation: Igneous rock (derived from the Latin word ignis meaning fire) is one of the three main rock types, the others being sedimentary and metamorphic rock. Igneous rock is ... of three processes: an increase in temperature, a decrease in pressure, or a change in composition.