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Topic: Science
Number of pages / Number of words: 10 / 2630
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In helium-burning stars the isotope of carbon

with mass 12 is thought to capture an alpha particle to form the isotope with

mass 16 with the emission of a gamma ray. In the terrestrial environment oxygen

accounts for about half of the mass of the Earth's crust, 89% of the mass of the

oceans, and 23% of the mass (and 21% of the volume) of the atmosphere...


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Most of

the Earth's rocks and soils are principally silicates. The silicates are an

amazingly complex group of materials that typically consist of greater than 50

(atomic) percent oxygen in combination with silicon and one or more metallic

elements. Several important ores are principally oxides of the desired metals,

such as the important iron-bearing minerals hematite, magnetite, and limonite

and the most important aluminum-bearing mineral, BAUXITE (a mixture of hydrated

aluminum oxides and iron oxide)...


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General points of the essay

Mass Hysteria Mass Tourism Education The Mass Mass Communication Oxygen And Carbon Dioxide Requiem Mass conservation of mass Law Of Conservation Of Mass Mass Density Lab Mass Communications Mass Media Mass media and adolescence: how mass media influence teens in their sexual behavior Sex in Mass media Carbon emission Scanning Spectrophotometer Determination of the Quantum Numbers (Initial and Final States), Wavelength, and Length of the Box Using Particle in a One Dimensional Box Model for Experimental and Computation Vibration-Rotation Spectroscopy for Carbon...

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