Practice It! Which of the following accurately represents the processes that solidify sedimentary rock combustion and solidification combination and pressure convection and conduction cond cementation
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The Deep Dive
Sedimentary rocks are formed through the processes of compaction and cementation. Over time, layers of sediment accumulate and are squeezed together under the weight of newer layers above, which increases pressure. Additionally, minerals precipitate from water and fill the spaces between the sediment grains, acting as glue to solidify them into a coherent rock. Around 75% of the rocks on Earth are sedimentary, playing a vital role in our planet's geology. These rocks record Earth's history, including past climates and environments, and are often rich in fossils. They are not just fascinating to study; they also have practical applications, like providing resources such as coal, oil, and natural gas!