Multiple choice

Which of the following statements is/are correct?

a. The salt content in some areas of arid soils is so high that common salt is obtained by evaporating the water. b. Lower horizons of the soil are occupied by ‘kankar’ layers because of the increasing calcium content downwards. c. Arid soils are normally heavy and black in colour.

  1. a and b

  2. a and c

  3. b and c

  4. a, b and c

  5. b only
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct answer.

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