Moderate
Rocks formed from compacted clay or mud are called____________________?
Correct answer: A. Shale
- A. Shale
- B. Clay stone
- C. Sand stone
- D. None of the aboveHire Grant Writers
Explanation
Shale is a fine-grained sedimentary rock produced when clay or mud is compacted and commonly compressed into thin layers. Sandstone forms from sand-sized particles, so it is not the appropriate choice.
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