Q7. Explain the rock cycle with the help of a diagram
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The process of transformation of rocks from one form to the other in a cyclic manner is known as the rock cycle. It includes the following processes:
Hot lava cools down to form igneous rocks.
Igneous rocks are then broken down into small particles which are transported and then deposited. This results in the formation of sedimentary rocks.
When igneous and sedimentary rocks are subjected to great heat and pressure, they change into metamorphic rocks.
Metamorphic rocks under heat and pressure breakdown and form hot lava.
This hot magma then again cools down and forms igneous rocks and the cycle is repeated.
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