Web1 / 25. How are the elements on Earth distributed? The most dense elements are in the center, called the mantle. The most dense elements are at the surface, called the crust. … WebSep 1, 2024 · Oxygen is the third most common element in the universe, following hydrogen and helium. It is also the most abundant chemical element by mass in the biosphere of …

Geology chapter 3 - 4 Flashcards Quizlet

WebThe Earth, or more specifically the crust of the Earth on and within which human societies operate, is made up almost entirely of eight elements. In fact, by themselves, four elements make up almost 90 percent of the crust: oxygen, silicon, aluminum and iron. The core is made of iron and nickel. WebThe correct option is A 45%-50%. Oxygen is the most abundant element present in the earth’s crust.45%-50% of the earth’s crust is made up of oxygen in the formed of … dao 123 series of 1989

Iron Element, Occurrence, Uses, Properties,

Web28 rows · Jan 30, 2011 · They will vary depending on the way they were calculated and the source. 98.4% of the Earth's ... Web5. 6. What did researchers notice that could be evidence of an asteroid impact in Wilkes Land? A. A ring of ice containing a high concentration of oxygen. B. A portion of Earth’s crust that is less dense than normal. D. Relatively high gravity measurements in the center of a circular ridge. 提示 用3天挑战托福阅读28+，立即加入！. WebMar 4, 2024 · Oxygen, O 2, is by far the most abundant element in earth's crust at 46.6 percent, nearly half of the mass of the crust. Oxygen is a highly reactive element capable of combining with many other elements to form compounds. It readily combines with silicon (Si) to form silicate minerals or with iron (Fe) to form various iron ore compounds. birth flower april