WebNov 11, 2024 · Earth’s crust The outermost layer of Earth. It is relatively cold and brittle. ... Examples include hydrogen, oxygen, carbon, lithium and uranium. field An area of study, ... oxygen A gas that makes up about 21 percent of Earth's atmosphere. All animals and many microorganisms need oxygen to fuel their growth (and metabolism). ... http://butane.chem.uiuc.edu/pshapley/Environmental/L26/1.html
Earth’s Atmosphere Composition: Nitrogen, Oxygen, Argon …
WebApr 6, 2024 · Iron makes up 5 percent of Earth ’s crust and is second in abundance to aluminum among the metals and fourth in abundance behind oxygen, silicon, and aluminum among the elements. Iron, which is the … WebNew evidence about what happened to dinosaurs. B. New methods for gathering evidence about mass extinctions. C. The link between two mascons from the Permian period. D. A possible cause of the Permian extinction. 我的答案 正确答案 D. 本题用时0s. neofly wildfire
Chapter 8 Earth Resources Flashcards Quizlet
Web98 rows · The abundance of elements in Earth's crust is shown in tabulated form with the … WebOxygen makes up 46.1% of the mass of Earth’s crust (the relatively thin layer of rock forming Earth’s surface), mostly in combination with other elements, while silicon makes … WebAug 23, 2024 · Mars has more than twice as much iron oxide in its crust than Earth. Earth's solid inner and liquid outer cores are primarily composed of iron (approximately 85 percent and 80 percent by weight ... itro army