Examlex
Which of the following statements is true?
Limestone
A sedimentary rock composed mainly of calcite, formed by the accumulation of shell, coral, algal, and fecal debris in shallow seas.
Shoreline Environment
The area where land meets a body of water, characterized by unique ecological and geological features.
Red Rocks
Rocks that have a reddish hue, typically due to the presence of iron oxide or other minerals.
Graded Beds
Sedimentary layers that show a change in particle size from bottom to top, indicating variations in the energy of deposition over time.
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