That is because metamorphic rock is formed by parent rocks that are either sedimentary rock or igneous rocks and we can use the former rock type to distinguish the type of metamorphic rock, marble was igneous rock exposed to high pressure or temperature.
While the other two type of rocks are formed initially by sedimentation and volcanic movements and has no parent rocks.
North and Central <span>Asia</span>
<span>Survei dan Dokumentasi</span>
Surveying encompasses every aspect of land, property and construction and offers a wide variety of career options. <span>There are many types of disciplines in surveying and a surveyor during their career may decide to specialize in a particular discipline or may gain experience in all disciplines.</span>
<em>Answer:-</em>
<em>Working slowly over many years, ground water travels along small cracks. The water dissolves and carries away the solid rock gradually enlarging the cracks, eventually forming a cave. Ground water carries the dissolved minerals in solution. The minerals may then be deposited, for example, as stalagmites or stalactites.</em>
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