Essay
Rock cycle is a repeatable process happens every second, but we don't notice it. Water and Carbon cycle do the similar process. Those cycle help earth's natural resources renew, and last forever. No one motivates those cycles. Those cycle happens naturally. Without those cycles, living organisms will no long survive. Let me explain briefly how rock cycle forms.
First, igneous rock broken by weathering, such as rain and ice. It turns into sediment, which means small piece of rock, and runoff by erosion. Sediments sink, and stick together, and the process called cementation and compaction. Then, it turns into sedimentary rock. Next, heat an pressure squeeze the sedimentary rocks, and become metamorphic rock. It sink deeper, and extremely hot temperature causes the it melts, and turns into magma (melted rock inside volcano). After that, magma comes out, and turns into lava (melted rock outside of volcano). As time pass, the lava cools down, the process called crystallization. Eventually, lava turns into igneous rock, just like the beginning, and this process repeats over and over again.
Rock cycle actually connected to other cycle. For instance, precipitation breaks out the igneous rock into sediment. In addition, when sediment runoffs into ocean, it is part of water cycle. When volcano explodes, the lava causes surrounding organisms die, such as consumer and producer, and it connected to Carbon cycle. In conclusion, earth is full of mystery, so we should pay attention to new scientific new information in news.
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