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Assessment
What is one primary role of soil microorganisms in nutrient cycling?
Decomposing organic matter
Preventing soil erosion
Producing oxygen
Competing with plant roots for water
Which nutrient cycle is heavily influenced by bacteria and fungi in the soil?
Carbon cycle
Hydrogen cycle
Nitrogen cycle
Phosphorus cycle
What type of microorganisms are primarily responsible for nitrogen fixation in the soil?
Fungi
Archaea
Nitrogen-fixing bacteria
Virus
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