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Q: A soil with a dark brown or black color is indicative of what
  • A. considerable organic matter content
  • B. excessive leaching
  • C. poor drainage
  • D. iron oxide stains
Correct Answer: Option A - Dark brown or black colors typically indicate that the soil has a high organic matter content.
A. Dark brown or black colors typically indicate that the soil has a high organic matter content.

Explanations:

Dark brown or black colors typically indicate that the soil has a high organic matter content.