Phosphorus is an important element for all forms of life. The phosphorus cycle differs from the other major biogeochemical cycles in that it does not include a gas phase; although small amounts of phosphoric acid (H3PO4) may make their way into the atmosphere, contributing—in some cases—to acid rain. The water, carbon, nitrogen and sulfur cycles all include at least one phase in which the element is in its gaseous state. Very little phosphorus circulates in the atmosphere because at Earth’s normal temperatures and pressures, phosphorus and its various compounds are not gases. The largest reservoir of phosphorus is in sedimentary rock.
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Answer:
They have the same concentration.
Explanation:
Isotonic, by definition, means that the two solutions are of equal concentration
depends on 42
subjecting an experimental group of plants to an atmosphere with a higher oxygen concentration
subjecting an experimental group of plants to an atmosphere with a higher carbon dioxide concentration
subjecting an experimental group of plants to a special soil that has been enriched with a new fertilizer
subjecting an experimental group of plants to air that gaseous nitrogen has been added to