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  2. List of countries by silicon production - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    This is a list of countries by silicon production in 2021, based on USGS figures. [1] ... United States: 310 6: France: 120 7: Iceland: 110 8: Malaysia: 80 9: Bhutan ...

  3. Abundance of elements in Earth's crust - Wikipedia

    en.wikipedia.org/wiki/Abundance_of_elements_in...

    The Earth's crust is one "reservoir" for measurements of abundance. A reservoir is any large body to be studied as unit, like the ocean, atmosphere, mantle or crust. Different reservoirs may have different relative amounts of each element due to different chemical or mechanical processes involved in the creation of the reservoir.

  4. Silicon - Wikipedia

    en.wikipedia.org/wiki/Silicon

    It is relatively unreactive. Silicon is a significant element that is essential for several physiological and metabolic processes in plants. Silicon is widely regarded as the predominant semiconductor material due to its versatile applications in various electrical devices such as transistors, solar cells, integrated circuits, and others.

  5. Composition of the human body - Wikipedia

    en.wikipedia.org/wiki/Composition_of_the_human_body

    Aluminium, the third most common element in the Earth's crust (after oxygen and silicon), serves no function in living cells, but is toxic in large amounts, depending on its physical and chemical forms and magnitude, duration, frequency of exposure, and how it was absorbed by the human body. [38] Transferrins can bind aluminium. [39]

  6. Constitution of the United States - Wikipedia

    en.wikipedia.org/wiki/Constitution_of_the_United...

    The Constitution of the United States is the oldest and longest-standing written and codified national constitution in force in the world. [ 4 ] [ a ] The drafting of the Constitution , often referred to as its framing, was completed at the Constitutional Convention , which assembled at Independence Hall in Philadelphia between May 25 and ...

  7. Abundance of the chemical elements - Wikipedia

    en.wikipedia.org/wiki/Abundance_of_the_chemical...

    The abundance of the chemical elements is a measure of the occurrences of the chemical elements relative to all other elements in a given environment. Abundance is measured in one of three ways: by mass fraction (in commercial contexts often called weight fraction), by mole fraction (fraction of atoms by numerical count, or sometimes fraction of molecules in gases), or by volume fraction.

  8. Only a fraction of the 100 copies of the Constitution were signed by then-Secretary of Congress Charles Thomson in 1787. The one found in North Carolina is one of them.

  9. Silica cycle - Wikipedia

    en.wikipedia.org/wiki/Silica_cycle

    Silicon is considered a bioessential element and is one of the most abundant elements on Earth. [ 2 ] [ 3 ] The silica cycle has significant overlap with the carbon cycle (see carbonate–silicate cycle ) and plays an important role in the sequestration of carbon through continental weathering , biogenic export and burial as oozes on geologic ...