Nitrogen Enrichment of Ecosystems by Human Activity Is Largely Driven

question 23

Multiple Choice

Nitrogen enrichment of ecosystems by human activity is largely driven by

• A) addition of nitrogen fertilizers.
• B) nitrogen pollution from burning of fossil fuels.
• C) nitrogen fixation by bacteria in landfills.
• D) Both addition of nitrogen fertilizers and nitrogen pollution from burning of fossil fuels.
• E) Both addition of nitrogen fertilizers and nitrogen fixation by bacteria in landfills.

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Definitions:

Marginal Costs

The additional cost incurred by producing one more unit of a good or service, crucial for making production and pricing decisions.

Marginal Benefits

The incremental satisfaction or benefit a consumer derives from consuming an additional unit of a good or service.

Net Benefits

The total benefits of a decision or project after subtracting all the costs associated with it.

Total Cost

The complete cost of producing a good or service, combining both fixed and variable expenses.