A. It is as thin as the crust B. It is completely solid and has no movement C. It can flow slowly over a long period of time D. It has the same composition as the crust 相关知识点: 试题来源: 解析 C。解析:地幔在长时间内能够缓慢流动,这也是板块运动的动力来源之一。选项A,地幔比地壳...
Sections are devoted to global-scale models of the mantle, the earth core, D-double-prime and the core-mantle boundary, regional models of the mantle and anisotropy, slab structure, mantle discontinuities, and attenuation in the earth. A comprehensive bibliography is provided....
A. The core directly cools the mantle through radiation B. Heat from the core drives convection currents in the mantle C. The mantle sends cold energy to the core to balance its heat D. There is no E. nergy transfer between the core and the mantle ...
A. The mantle B. The ocean C. The forest 相关知识点: 试题来源: 解析 A。解析:Mantle(地幔)位于地壳(the crust)和地核(the core)之间。海洋(the ocean)是地球表面的水体,森林(the forest)是地球表面的植被,它们都不在地壳和地核之间,所以B和C选项错误。
They also have cores.The core of the Earth is made of uranium.地核是由铀构成的。be made of由……构成;由……制成e.g. Paper is made of trees,纸由树木制成。I. Read and choose.阅读短文,选择正确的答案。() 1. What is inside the Earth?A. Only a mantle.B. A mantle and a core.C...
Earth's Core and Mantle 作者: Vogt, Gregory L.出版社: Lerner Pub Group出版年: 2006-12页数: 80定价: $ 33.08装帧: LIBISBN: 9780761328377豆瓣评分 目前无人评价 评价: 写笔记 写书评 加入购书单 分享到 推荐 我来说两句 短评 ··· 热门 / 最新 / 好友 还没人写过短评呢 我要写书评 Earth'...
What are the characteristics of the Earth's crust, mantle, and core? The Earth's Internal Structure. The inner core, the outer core, the mantle, and the crust make up the Earth's internal structure from the deepest to the shallowest. Each has a particular chemical composition ...
Learn about the three layers of the Earth: the crust, mantle, and core. Discover what scientific principle causes the different layers of the Earth...
Earth - Core, Crust, Mantle: Earth’s outermost, rigid, rocky layer is called the crust. It is composed of low-density, easily melted rocks; the continental crust is predominantly granitic rock (see granite), while composition of the oceanic crust corres
Children learn about the structure of the earth and enrich their knowledge of earth science. "From the outside in, the crust, the mantle, and the core are in order." 为地球添一抹绿 Adding a Splash of Green to The Earth 亲近绿色,争做护绿小使者!孩子们在幼儿园种植小绿苗,呵护它们成长,尊重...