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      Question

      Which is the scientific method that measures soil

      moisture by sending an electromagnetic pulse along a probe inserted into the soil? 
      A Electrical Resistance Blocks Correct Answer Incorrect Answer
      B Volumetric method Correct Answer Incorrect Answer
      C Tensiometers Correct Answer Incorrect Answer
      D Time Domain Reflectometry (TDR) Correct Answer Incorrect Answer

      Solution

      TDR uses electromagnetic pulses sent along a probe inserted into the soil and measures the time taken for the pulse to travel back to determine soil moisture content.

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