Question 28
Earth Movements and VulcanicityThe term pyroclastic best describes
- A.sediments accumulated in deep sea
- B.a wind-blown sand from desert regions
- C.eroded materials deposited at the mouth of a river
- D.fragmented materials ejected by volcanoes
Show the answer and explanation
Answer: D (fragmented materials ejected by volcanoes)
Explanation
Pyroclastic ('fire-broken') material is ash, cinders and rock fragments blown out of a volcano.