Examlex
Which of the following statements is true?
Shells
Shells are hard, protective outer layers created by animals, particularly mollusks such as snails, oysters, and clams, as a form of protection or body support.
Well Sorted
A condition of sedimentary particles that display a narrow range of sizes due to the action of transport and deposition processes.
Cross-bedding
A geological feature that forms as inclined layers of sediment are deposited across a horizontal surface, indicating ancient water or wind flows.
Siltstone
A sedimentary rock composed of consolidated silt-sized particles, generally mostly quartz.
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