Geography, asked by harshasss575, 1 year ago

Structure of earth internal with chemical composition

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Answered by OfficialPk
4
Chemical composition. Earth's mass is approximately5.97×1024 kg (5,970 Yg). It is composed mostly of iron (32.1%), oxygen (30.1%), silicon (15.1%), magnesium (13.9%), sulfur (2.9%), nickel (1.8%), calcium (1.5%), and aluminium (1.4%), with the remaining 1.2% consisting of trace amounts of other elements.

Composition by volume:

78.08% nitrogen (N<sub>2</sub>; dry air); 20.95% oxygen (O<sub>2</sub>); 0.930% argon; 0.0402% carbon dioxide; ~ 1% water vapor (climate-variable)

Surface pressure:

101.325 kPa (at MSL)

Surface gravity:

9.807 m/s


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