Carbon Cycle, found in atmosphere, rocks, minerals, living organisms and fossil fuels , moves through organisms by photosynthesis and cellular respiration, humans impact this cycle by polluting and burning fossil fuels, backbone of all life on Earth, Phosphorous Cycle, weathering releases it from rocks into soil and water, does not cycle in the atmosphere because it is too heavy, found in rocks, soil, and ocean water, important for building ATP, Nitrogen Cycle, most abundant element in the atmosphere (makes up 78%), involves turning the gas into a usable form for living organisms., this element must be "fixed" by bacteria before being absorbed, key component of the bodies of living organisms, found in all proteins and DNA.

Nutrient Cycles Sorting

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