Which of the Following Statements About the B Horizon Is

Multiple Choice

Which of the following statements about the B horizon is NOT true?

A) The B horizon generally lies above the E horizons.
B) In arid and semi- arid climates, calcium carbonate accumulates to form a caliche layer within or below the B horizon.
C) The B horizon tends to be more fertile than the E horizon.
D) Some B horizons contain a high concentration of humus.