Which one of the following is formed when volcanic ash is carried by running water and is deposited as a sedimentary layer?
- A. Basalt
- B. Lapilli
- C. Slate
- D. Tuff ✓
Correct Answer: D. Tuff
Explanation
Tuff is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption, which can be transported by water and deposited as sedimentary layers.
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