Sedimentary rocks form layers. Thus, the correct option is A.
<h3>What are Sedimentary rocks?</h3>
Sedimentary rocks may be defined as a type of rocks that are created by the collection or deposition of mineral or organic particles on Earth's surface. After this, an activity of cementation is followed.
The layer of sedimentary rocks determined the age of fossils that are buried in those such layers.
Therefore, the correct option is A.
To learn more about Sedimentary rocks, refer to the link:
brainly.com/question/13291293
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