In biodegradation, what does mineralization refer to?

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Study for the Grade 9 Environmental Chemistry Test. Use a blend of multiple-choice questions and detailed explanations. Master key concepts and prepare effectively!

Multiple Choice

In biodegradation, what does mineralization refer to?

Explanation:
Mineralization in biodegradation means the organic matter is fully broken down by microbes into inorganic substances. The carbon from the original molecule becomes carbon dioxide, and the hydrogen becomes water, with mineral nutrients released back into the environment as inorganic ions. This endpoint shows the material has been completely mineralized rather than remaining in organic form. It’s different from partial breakdown, which leaves behind intermediate organic compounds, or from transforming into a new organic compound, or simply accumulating as sediment.

Mineralization in biodegradation means the organic matter is fully broken down by microbes into inorganic substances. The carbon from the original molecule becomes carbon dioxide, and the hydrogen becomes water, with mineral nutrients released back into the environment as inorganic ions. This endpoint shows the material has been completely mineralized rather than remaining in organic form. It’s different from partial breakdown, which leaves behind intermediate organic compounds, or from transforming into a new organic compound, or simply accumulating as sediment.

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