CBSE Class 7 Answered
Why is it said that a rock cycle has neither a beginning nor an end?
Asked by Topperlearning User | 23 Mar, 2016, 10:45: AM
Expert Answer
One type of rock changes to another type under certain conditions in a cyclic manner. This transformation is known as the rock cycle. Molten magma cools and solidifies to form igneous rocks that break down to form sedimentary rocks. When sedimentary and igneous rocks are subjected to heat and pressure, they form metamorphic rocks and metamorphic rocks under great heat and pressure melt down to form molten magma.
Answered by | 23 Mar, 2016, 12:45: PM
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