QuestionAugust 25, 2025

8. Which kind of rock do you think would take the longest to form? Why?

8. Which kind of rock do you think would take the longest to form? Why?
8. Which kind of rock do you think would take the longest to form? Why?

Solution
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Answer

Sedimentary rocks take the longest to form due to the slow accumulation and compaction of sediments. Explanation 1. Identify Rock Types Rocks are classified into three main types: igneous, sedimentary, and metamorphic. 2. Determine Formation Time Sedimentary rocks generally take the longest to form because they require the accumulation, compaction, and cementation of sediments over long periods. 3. Compare with Other Rocks Igneous rocks can form quickly from cooling lava or magma. Metamorphic rocks form from existing rocks under heat and pressure, which can also be relatively faster than sedimentary processes.

Explanation

1. Identify Rock Types<br /> Rocks are classified into three main types: igneous, sedimentary, and metamorphic.<br /><br />2. Determine Formation Time<br /> Sedimentary rocks generally take the longest to form because they require the accumulation, compaction, and cementation of sediments over long periods.<br /><br />3. Compare with Other Rocks<br /> Igneous rocks can form quickly from cooling lava or magma. Metamorphic rocks form from existing rocks under heat and pressure, which can also be relatively faster than sedimentary processes.
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