A soil sample from a contaminated site shows a high dehydrogenase activity after treatment with a bioremediation agent. What does this result most likely indicate?

Question

Answer

The soil is highly compacted, limiting microbial activity.

Answer

The presence of plant roots is interfering with the assay results.

Answer

The microbial community is actively metabolizing the contaminants.

Answer

The soil is undergoing nutrient depletion and is not supporting microbial growth.

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A soil sample from a contaminated site shows a high dehydrogenase activity after...

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