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Assessment
What is one of the primary roles of earthworms in soil health?
Aerating the soil
Increasing the acidity of the soil
Decomposing plastic waste
Adding heavy metals to the soil
How do earthworms contribute to nutrient cycling in the soil?
By producing harmful gases
By excreting nutrient-rich waste
By feeding on soil microorganisms only
By burying plant seeds
Which of the following practices can help maintain healthy earthworm populations in gardens?
Using chemical pesticides frequently
Covering the soil with plastic sheets
Practicing crop rotation and organic gardening
Overwatering the soil constantly
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