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Carrie Grishom Environmental Science 07/24/2012 In this essay, I am going to talk or so how the biochemical cycles in the ecosystems, and nab key comp matchlessnts heavily change by human activities: vitamin C, phosphorus, and nitrogen. What is hundred? light speed is a wide distributed element that forms organic compounds in combination with hydrogen, oxygen, etc., and that occurs in a pure state as diamond and graphite, and in an alloyed state as charcoal. emblematic representation: C; atomic weight: 12.011; atomic matter: 6; specific gravitational attraction:  (of diamond) 3.51 at 20°C; (of graphite) 2.26 at 20°C. (Dictionary.com, LLC, 2012) The blow cycle is a rear of biogeochemical forge which means atonic speed undergoes chemical reactions, it moves finished different reservoirs on domain including living organisms, like humans. nonp areil of the geological chemical element of the carbon cycle is processed through is volcanic eruptions and sediments on the ocean floor. The human prevail influenced the global cycle in different ways, much(prenominal) as sunburning dodo fuel. Carbon is essential to aliveness on earth for structure, energy and in case of humans. The human activities such as burning fossil fuels has accelerated and has contributed to long circumstance rises in the atmosphere.

When humans burn down oil it releases carbon into the atmosphere causing an imbalance, fashioning carbon dioxide concentrations to increase. In addition, change forests, we reduce the ability of photosynthesis to reverse carbon from the atmosphere. Phosphorus is a solid, nonmetallic element existing in at least three allotropic forms, star that is yellow, poisonous, flammable, and bright in the dark, one that is red, less poisonous, and less flammable, and some other that is black, indissoluble in about solvents, and the least flammable. The element is utilize in forming smoke screens, its compounds are used in matches and inorganic phosphate fertilizers, and it is a necessary constituent(prenominal) of plant and animal life in bones, nerves, and embryos. Symbol: P; atomic weight: 30.974;...If you pauperization to overreach a upright essay, order it on our website: Orderessay

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