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Biology: The Unity and Diversity o...
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The _____ cycle is a sedimentary cycle.
- a. phosphorus
- b. carbon
- c. nitrogen
- d. water
Concept introduction: Earth’s crust is the largest reservoir of phosphorus that is an element that does not occur as a gas in any significant quantity. Phosphorus cycle is the movement of phosphorus among Earth’s rocks and waters and into and out of food webs.
Reasons for the correct statement:
Atoms of phosphorus are highly reactive. Therefore, phosphorus does not occur naturally in its elemental form. Most of the earthās phosphorus is bonded to oxygen molecule as phosphate (PO43-). It is an ion that abounds in rocks and sediments. In the phosphorous cycle, phosphorus passes quickly through food webs as it moves from land to ocean sediments, then back to the lands. This is because little phosphorus exists in a gaseous form and its major reservoir is sedimentary rock. Thus, the sedimentary cycle is described as a sedimentary cycle.
Option a. is given as āphosphorusā.
The phosphorus cycle is a sedimentary cycle. Therefore, option a...
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