Why Is Nitrogen Fixation an Essential Process

question 49

Multiple Choice

Why is nitrogen fixation an essential process?

• A) Nitrogen fixation can only be done by certain prokaryotes.
• B) Fixed nitrogen is often the limiting factor in plant growth.
• C) Nitrogen fixation is very expensive in terms of metabolic energy.
• D) Nitrogen fixers are sometimes symbiotic with legumes.

Identify the concept of divided government and its implications.

Describe the phenomenon of electoral realignment.

Analyze the significance of notable third-party candidacies and their impact on U.S. elections.

Explain the composition and changes within major political coalitions.

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