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Which process forms sedimentary rocks?
- Cooling of magma
- Heat and pressure
- Deposition and compaction
- Volcanic eruption
Answer: Deposition and compaction
Sedimentary rocks form through deposition, compaction, and cementation of sediments like sand, silt, and organic matter. Examples include sandstone, limestone, and shale. They often contain fossils and are found in layers (strata).