Abundance of Elements in The Earth
See also: Earth#Chemical compositionThe Earth formed from the same cloud of matter that formed the Sun, but the planets acquired different compositions during the formation and evolution of the solar system. In turn, the natural history of the Earth caused parts of this planet to have differing concentrations of the elements.
The mass of the Earth is approximately 5.98×1024 kg. 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. Due to mass segregation, the core region is believed to be primarily composed of iron (88.8%), with smaller amounts of nickel (5.8%), sulfur (4.5%), and less than 1% trace elements.
Read more about this topic: Abundance Of The Chemical Elements
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“Take care! Be on your guard against all kinds of greed; for one’s life does not consist in the abundance of possessions.”
—Bible: New Testament, Luke 12:15.
“I don’t believe in evil, I believe only in horror. In nature there is no evil, only an abundance of horror: the plagues and the blights and the ants and the maggots.”
—Isak Dinesen [Karen Blixen] (1885–1962)
“Three elements go to make up an idea. The first is its intrinsic quality as a feeling. The second is the energy with which it affects other ideas, an energy which is infinite in the here-and-nowness of immediate sensation, finite and relative in the recency of the past. The third element is the tendency of an idea to bring along other ideas with it.”
—Charles Sanders Peirce (1839–1914)
“For Man is God
and man is eating the earth up
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—Anne Sexton (1928–1974)