Professor: Okay. We know the Earth's surface, the crust, is made up of tectonic plates, and these huge slabs of rocky crust are slowly sliding over or under or past each other, and we said that most of the world's volcanoes occur at the boundaries of these tectonic plates where you ...
Earth, if cut in half, would be shown as layers, like a cake. It is made up of four main layers: the crust, the mantle, the outer core, and the inner core. Ingredients in Earth's layers include solid silicate-based rocks and liquid metals....
It was this mind-blowing series of improbable events that made Earth the possibly unique life-bearing planet it now is. The idea that Earth may indeed be unique could have been spawned by this famous photo taken on the Apollo 8 mission in 1968.正是这一系列令人兴奋的不可能的事件，使地球成...
Earthquakes are measured on a scale of 0---9 called the Richter Seale(里氏震级).A size 9 earthquake is the strongest and most dangerous.What causes an earthquakes?The top layer of the Earth,its crust (地壳),is made up of huge pieces of rock.They move past each other all the time ...
The Internal Structure of the Earth:The Earth is made up of three main layers namely the crust, mantle, and core. The crust is the outer solid layer. The two inner layers are the mantle and core, respectively.Answer and Explanation: ...
extinction of dinosaurs?Part of the reason that forecasting earthquakes is B so difficult comes from the fact that we don't know A. A kind of disease.much about the process that causes them: plate tectonics. The Earth's crust is made up of several B. Loss of sunshine.moving tectonic ...
It's not like studying people one another, scientists believe this is what causes earthquakes. The earth's "crust" never really "moves" but it does, and this usually causes a "lot of energy to come out in the form of a big wave". Earthquakes happen all the time, every day, all ove...
of/ in/ among… 表示范围,形容词最高级前常加定冠词the,副词最高级前的the可以省略。注意:当形容词最高级前有物主代词或所有格等修饰词,不可加the。Eg: (1) Is Shanghai the biggest city in China (2) Of all the subjects, I like English best.(3) Lily is the most careful of the three ...
Earth’s Oceans Were Green For Billions of Years Earth's Inner Core Isn't a Solid As We Thought Volcanic Crystals May Help Find Rare Earth Metals This Ghost Story Could Have a Geologic Explanation ‘Megadroughts’ Are Going to Get Worse. ...
Earth's Crust:It makes up about 30% of the planet's volume. It is composed of lighter materials that are less dense than the more iron-heavy materials found in the Earth's mantle and core.Answer and Explanation: The two types of Earth's crust include the continental and oceanic crust....