If Nitrates Are Important in the Nitrogen Cycle,why Are They

question 2

Multiple Choice

If nitrates are important in the nitrogen cycle,why are they also contaminants of the water systems?

• A)If ingested,nitrate is converted to nitrogen gas,which is toxic at low levels.
• B)When ingested,nitrate is converted to nitrite and competes for oxygen in the blood,which is especially harmful to infants.
• C)It indicates the presence of fecal contamination.
• D)It is the major cause of eutrophication.
• E)None of these pertain to nitrate.

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Imperfect Competitor

An entity in a market that cannot dictate the prices of its goods or services due to the presence of competition, contrary to a monopoly.

Regional

Pertaining to or characteristic of a specific geographic area or division, often considered in terms of economic, political, or cultural distinctions.

Local Levels

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Diseconomies of Scale

A situation in which a firm experiences an increase in average costs due to an increase in its size or output level, often resulting from inefficiencies and higher per unit costs.