首页
登录
职称英语
[originaltext]They are discussing a reading assignment about the ocean floor.A
[originaltext]They are discussing a reading assignment about the ocean floor.A
游客
2024-01-05
25
管理
问题
They are discussing a reading assignment about the ocean floor.
A: Dr. Smith. I need to ask you about something in Chapter 12. Well it talks about erosion and the deposit of sediment on the deep sea floor, but I’m confused, cause, well, for that to happen there would have to be some kind of force down there moving the mud or sand or whatever, right. But I thought there weren’t any waves or currents that deep in the ocean.
B: That’s not exactly correct. It’s true that deep down on the ocean floor we won’t have the same kinds of currents we find in shallower parts. But we do find what we call turbidity currents. This wasnt in the book but the term came up in class. Do you remember what itmeans?
A: Umh, turbidity currents? Oh, yeah! Isn’t that when sediment like sand or mud gets stirred up and mixes with water And then this mixer kind of flows through the water around it, right?
B: Good!
A: Umh, but I thought that only happened in rivers.
B: Well, yes. This does occur in rivers, but we see turbidity currents deep in the ocean as well.
A: But how do they get started there?
B: Earthquakes mostly, when an earthquake occurs under water, it throws up tremendous amounts of mud or sand that becomes suspended in a layer of water near the bottom of the ocean. This layer is so much denser and heavier than other ocean water that if flows right down the slopes o f the ocean floor and gains more and more speed as it moves along. Then it’s just like the winds blowing across the desert picking up sand from one place and moving it along and finally dropping it somewhere else.
选项
A、It’s cleaner.
B、it’s heavier.
C、it’s warmer.
D、It moves more slowly.
答案
B
解析
How is a turbidity current different from the water around it?
转载请注明原文地址:https://tihaiku.com/zcyy/3335505.html
相关试题推荐
WhatdoesthecharityForwardthinkingdo?[br][originaltext]Youwillhearar
WhatdoesthecharityForwardthinkingdo?[br][originaltext]Youwillhearar
WhatdoesthecharityForwardthinkingdo?[originaltext]Youwillheararadiop
WhatisChloeconcernedabout?[br][originaltext]Youwillheartwopeoplecall
WhatisChloeconcernedabout?[br][originaltext]Youwillheartwopeoplecall
Choosethecorrectletter,A,BorC.[br]Thisassignmentisimportantbecause
Choosethecorrectletter,A,BorC.[br]Auniversityis[originaltext]GEOFFRE
Choosethecorrectletter,A,BorC.[br]Thehostfamilieswill[originaltext
Choosethecorrectletter,A,BorC.ReflectiveJournalAssignment[br]Whatsh
Choosethecorrectletter,A,BorC.ReflectiveJournalAssignment[br]Thewom
随机试题
Whatisthetopicofthepassage?[br][originaltext]Carcrashesaretheto
TheEskimoisgenerallypicturedashospitable,amiableandobliging.A、admirable
Morethan360,000babiesareborneverydayontheplanet.Whichoneofthem
正常舌象的表现是()A.舌体灵活自如 B.胖瘦适中 C.质淡红 D.
女性,26岁,怀孕11周,此时病人间断低热,伴左胸疼,继而呼吸困难,就诊发现“左
关于麻醉前ASA病情分级标准错误的是A、Ⅰ级无脏器改变,估计耐受麻醉手术良好
房地产分支机构承接业务时,应当以( )的名义承接业务。A.设立该分支机构的房地
(2019年真题)当事人为了重复使用而预先拟定,并在订立合同时未与对方协商的条款
通过报检员资格考试合格的人员,取得《报检员资格证》后,()内未从事报检业务的,
下列项目中,符合工程项目定义,可以称为工程项目的是() A.发电机设计项目
最新回复
(
0
)