百度试题 结果1 题目What is the outermost layer of the Earth called? A. Mantle B. Core C. Crust D. Plate 相关知识点: 试题来源: 解析 C。解析:文章中明确提到“The crust is the outermost layer”,地球的最外层是地壳。反馈 收藏
What is the outermost layer of the Earth called? A. Core B. Mantle C. Crust D. Atmosphere 相关知识点: 试题来源: 解析 C。地球的最外层是地壳(Crust)。核心(Core)是地球的最中心部分;地幔(Mantle)在核心和地壳之间;大气层(Atmosphere)是地球周围的气体层,不属于地球的结构层。
Discusses the components of the earth's core. Discrepancy between the seismically determined density within the Earth's core and the experimentally determined density of iron; Solubility of ferrous oxide in molten iron at high pressures; Convection responsible for the Earth's magnetic field.Bassett...
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...
does the science fiction Journey to the Centre of the Earth tell? 2. How do the travelers to the core of the earth come out in the fiction? 3. How many layers does the Earth have and what are they? 4. What is the freezing point of iron? 5. Why is life possible according to ...
Earth’s Inner CoreScientists have long struggled to understand what lies at the planet’s center, Directobservation of its center is impossible,so researchers must___(51)to other evidence. In 1889,a German scientist detected a severe earthquake in Japan.Geophysicists concluded that shock waves__...
solid mass of nickel and iron, crushed down by gravity into a sphere roughly 2,400 kilometres wide. This solid core is surrounded by an outer layer of liquid iron and nickel, which generates Earth's protective geomagnetic field,...
clashing and causing earthquakes. But there’s a downside, too: the Earth’s hot interior recycles the carbon that is essential to life, and also keeps the Earth’s outer core liquid, which is essential for maintaining our planet’s magnetic field. Without that, we’ll be vulnerable to inc...
Tags Core Field Magnetic Magnetic field In summary: There is no evidence that the Earth's magnetic field originates in the core rather than elsewhere.There is no evidence that the Earth's magnetic field originates in the core rather than elsewhere.The physical model is compelling, but does no...
Now, researchers arereporting in the journalNature Geosciencethat according to seismic data, the Earth’s inner core may have recently paused its rotation, and could even go on to reverse direction relative to the rest of the planet. Tim Revell, deputy United States editor ofNew Scientist,joins...