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eee, —— ——., , , , ————e ee lC TOUS ae, , IV. Define the following., , 1. Aqueous rocks : Sendimentary rocks are, also called aqueous rocks because they are, formed in the water bodies (Lake, Sea and, , Ocean beds), , 2. ‘Pacific ring of fire’: Pacific ring of fire, is a volcanic region in the pacific belt, consisting of Philipines, Japan, USA, Central, and South America., , 3. Mechanical weathering : When the rock, is broken and disintegrated without any, chemical alteration, the process is called, Physical weathering or Mechanical, weathering., , 4. Carbonaceous rocks : Coal is called a ., carbonaceous rock. Organic sediments such as, shells of marine organisms, remains of plants, and animals transform as sedimentary rock., , 5. Tsunami : Tsunami is a large sea wave, occasionally experienced along the coasts of, , Japan and in other regions caused by an, underwater earthquake. In Japanese language, , ‘Tsunami’ means ‘harbour waves’.