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Forearc carbon sink reduces long term volatile recycling into the mantle (published by nature)
Forearc carbon sink reduces long term volatile recycling into the mantle (published by nature)
Carbon and other volatiles in the form of gases, fluids or mineral phases are transported from earth’s surface into the mantle at convergent margins, where the oceanic crust subducts beneath the continental crust. the efficiency of this transfer has profound implications for the nature and scale of geochemical heterogeneities in earth’s deep mantle and shallow crustal reservoirs, as well as…
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Permafrost and effects
Permafrost is any ground that remains comletely frozen-32 degree F(0 degree C) or colder-for at least two years straight. These permenantly frozen grounds are most common in regions with high mountains and in Earth’s higher latitudes-near the North and South poles. Permafrost covers large regions of the Earth.
In addition, permafrost is sructurally important, and its melting has been known to…
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Metals
Metals are obtained from natural bodies like rocks and soil and water. Most of the metal are not available in pure form, they need to be extracted from their ores. Which are in rocks of different types. There are ways to extract them. All the metal are in solid form except mercury is liquid.
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Air
Air consists of few gases, moist, fog etc. In different proportion at different places. The gases present are nitrogen, oxygen, argon, carbon dioxide, mithen and ozone. Major are nitrogen and oxygen. Others are very less. Moist is third most present. And fog is created by water vapour and ice crystal and now smoke is also present.
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Matter
Matter is nothing but a tangible form of a substance. Everything is consisted of matter. There are total there types of matter solid liquid and gas, another state of matter is also known as plasma. But originally there are three only. Of which solid is hard and definite shape, liquid is deformable and changes shape according to the container. And gas don't have any shape and is most flexible. Certain element and compounds can be transformed from one to another form. By heating, compressing and cooling. Water is the best example of this form change. It can be easily transformed to all the state by process.
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