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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Definitions:

Table Factors

Mathematical factors used in tables to simplify calculations for things like present values, loan repayments, or depreciation rates.

Present Values

The discounted value of an amount of money at a specific future date, considering a particular interest rate.

Debit Machinery

An accounting entry that reflects an increase in the value of machinery assets on the balance sheet.