16. Explain the rock cycle with the help of diagram.
17. Why are minerals important for us?
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16.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.
17.Minerals are important for your body to stay healthy. Your body uses minerals for many different jobs, including keeping your bones, muscles, heart, and brain working properly. Minerals are also important for making enzymes and hormones. ... You only need small amounts of trace minerals.
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