Core of the Earth - - Iron-Nickel Alloydoi:10.1080/00357529.1965.11765788Taylor & FrancisRocks & Minerals
The Earth's core is mainly composed of _. A. Iron and nickel B. Silicon and oxygen C. Aluminum and magnesium D. Calcium and potassium 相关知识点: 试题来源: 解析 A。解析:地球的核心主要由铁和镍组成。选项A正确。选项B中的硅和氧是地壳中较为常见的元素组成。选项C中的铝和镁不是地核的主...
When the iron of the centre of the earth dissolves core and external the earth's crust to rotate and inconsistent, will dissolve core and nuclear intersection outside in the iron and form the current of the flow direction opposite to turning direction on the earth, make iron dissolve neutron...
Which layer of the Earth is mainly composed of liquid iron and nickel and is responsible for generating the Earth's magnetic field? A. Crust B. Mantle C. Outer Core D. Inner Core 相关知识点: 试题来源: 解析 C。解析:地球的地壳(Crust)是地球的最外层,主要由岩石组成。地幔(Mantle)是地壳...
The inner core of the Earth is mainly composed of _. A. molten rock B. solid iron and nickel C. gas D. water 相关知识点: 试题来源: 解析 B。解析:地球的内核主要由固态的铁和镍组成。选项A,熔融的岩石主要存在于地幔中,而非内核;选项C,地球内核不是由气体组成的;选项D,水不可能是地球内核的...
The inner core of the Earth is mainly made of ___. A. iron and nickel B. rock and soil C. water and gas D. ice and snow 相关知识点: 试题来源: 解析 A。本题考查地球内部结构的知识。地球的内核主要由铁和镍组成,选项 B 岩石和土壤主要存在于地壳,选项 C 水和气体通常不在地球内核,选项...
In which part of the Earth's structure is iron ore usually concentrated? A. The outer core B. The upper part of the crust C. The asthenosphere (软流圈) D. The lower mantle 相关知识点: 试题来源: 解析 B。解析:铁矿石通常集中于地壳的上部。地球的外核主要是液态的铁镍物质,但不是铁矿石...
主语中的top和solid并列修饰part of the mantle。C为该句的同义替换,故正确。 结果二 题目 The Earth comprises three principal layers: the dense, iron-rich core, the mantle made of (硅酸盐) that are semi-molten at depth, and the thin, solid-surface crust. There are two kinds of crust, a ...
The Earth's core is mainly composed of ___. A. Iron and nickel B. Silicon and oxygen C. Magnesium and aluminum D. Carbon and hydrogen 相关知识点: 试题来源: 解析 A。解析:地球的核心主要由铁和镍组成。选项A符合地球科学中关于地球核心组成成分的事实。选项B硅和氧是地壳中较为常见的元素组合。
The Earth's core is mainly made up of ___. A. silicon and oxygen B. iron and nickel C. magnesium and iron 相关知识点: 试题来源: 解析 B。解析:地球的地核主要由铁和镍组成。硅和氧是地壳中含量较多的元素,镁和铁不是地核主要的组成成分。反馈...