11. The Roman town of Pompeii was destroyed by a volcanic eruption in AD79 12. S
ID: 294839 • Letter: 1
Question
11. The Roman town of Pompeii was destroyed by a volcanic eruption in AD79 12. Submarine volcanic eruptions are quiet if they occur below the hydroexplosive zone 13. The hydroexplosive zone is the top 1500 m of the ocean. 14. Strombolian and Plinian are types of volcanic eruption. 15. Tephra is a sedimentary layer of volcanic ash. 16. All mass movement processes need a transporting agent. 17. Fire spalling in rocks is a special kind of dehydration weathering caused by forest fires. 18. A weathering rind in rocks is caused by chemical weathering. 19. After the oceans, the next largest natural reservoir of water on the Earth is the cryosphere. 20. Pemafrost mcans permanenty frozen sa igh as 21. The hydrological cycle includes stemflow and percolation. 22. Raindrops are oblate in shape at terminal velocity.Explanation / Answer
10) False because rayleigh waves are surface waves.
11) True because Mount Vesuvius, a volcano near the Bay of Naples in Italy, is hundreds of thousands of years old and has erupted more than 50 times. Its most famous eruption took place in the year 79 A.D., when the volcano buried the ancient Roman city ofPompeii under a thick carpet of volcanic ash.
12) True because they can't push water.
13) False because it is different at different places.
14) True both are eruptions.
15) False because tephra is a volcanic ash layer in sedimentary rocks.
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