Biology for IGCSE & O level - Organisms And Their Environment (Section 1 - No. 3)
What is the role of fertilizers in the nitrogen cycle?
To decrease the amount of nitrogen in the soil.
To convert nitrogen to a usable form for plants.
To reduce the amount of nitrogen in the atmosphere.
To increase the amount of nitrogen in the soil.
Explanation
Fertilizers add nitrogen to the soil, often in excess.
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