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Carbon, other elements, and inclusions within iron act as hardening agents that prevent the movement of dislocations that otherwise occur in the crystal lattices of iron atoms.The carbon in typical steel alloys may contribute up to 2.1% of its weight.Uptake of carbon dioxide by the oceans is not a harmful phenomenon , but excess of it leads to a reduction in p H thereby altering the fundamental seawater chemistry, commonly known as ocean acidification ....[tags: Dissolution Rates, Acidity] - Picture smog filled cities being pollution free, while producing clean biofuel and oxygen.Highly polluted areas, such as the Los Angeles area, pose a threat to the elderly, children, and people suffering with COPD (Chronic Obstructive Pulmonary Disease) (“People at Risk,” 2013).Algae can be used to harness the carbon dioxide, nitrogen, make oxygen and be refined for biofuel.

In the body-centred cubic arrangement, there is an iron atom in the centre of each cube, and in the face-centred cubic, there is one at the center of each of the six faces of the cube.

Engineers and designers love it because it's five times as strong as steel, two times as stiff, yet weighs about two-thirds less. To make carbon fiber take on a permanent shape, it can be laid over a mold, then coated with a stiff resin or plastic (kind of like how you would make something out of papier-mâché by putting newspaper strips over a mold, then adding paste to force it to hold the shape). Replacing steel components with carbon fiber would reduce the weight of most cars by 60 percent [source: USA Today].

Carbon fiber is basically very thin strands of carbon -- even thinner than human hair. That 60 percent drop in weight would, in turn, reduce that car's fuel consumption by 30 percent and cut greenhouse gas and other emissions by 10 to 20 percent [source: Oak Ridge National Laboratory].

Radiocarbon is incorporated into all living organisms in proportion to its concentration in the environment.

When an organism dies, carbon is no longer incorporated into its tissues, but the radiocarbon present continues to decay at a known rate. The Pb-210 and Cs-137 datation service is also offered for sediments.