Which rock type forms from the deposition and consolidation of sediment?

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Prepare for the IGCSE Environmental Management Test. Use flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam with tailored practice and resources.

Multiple Choice

Which rock type forms from the deposition and consolidation of sediment?

Explanation:
Sedimentary rocks form when loose particles settle out of water or air and accumulate in layers. Over time, burial by more layers compacts the sediment and minerals precipitate to cement the grains together, turning the material into solid rock. This process, called lithification, is what makes sedimentary rock the result of deposition and consolidation of sediment. The other options don’t fit: sewage is wastewater, run-off is just water that transports sediment, and “rock” is too general and doesn’t specify the formation process.

Sedimentary rocks form when loose particles settle out of water or air and accumulate in layers. Over time, burial by more layers compacts the sediment and minerals precipitate to cement the grains together, turning the material into solid rock. This process, called lithification, is what makes sedimentary rock the result of deposition and consolidation of sediment. The other options don’t fit: sewage is wastewater, run-off is just water that transports sediment, and “rock” is too general and doesn’t specify the formation process.

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