Tertiary Comparison Guide Reading Answers Ielts Updated [upd] Jun 2026
Text: "The three main types of rocks are igneous, sedimentary, and metamorphic rocks. Igneous rocks are formed from the cooling and solidification of magma. Sedimentary rocks are formed from the accumulation and compression of sediments. Metamorphic rocks are formed from the alteration of existing rocks under high pressure and temperature conditions."
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