Question 48
SoilA large percentage of tropical soils tends to be acidic because they
- A.contain large quantities of potash
- B.contain large quantities of lime
- C.lose a high proportion of their organic matter to running water
- D.lose lime and potash from the top soil through rain action.
Show the answer and explanation
Answer: D (lose lime and potash from the top soil through rain action.)
Explanation
Heavy tropical rain leaches basic minerals such as lime (calcium) and potash out of the topsoil, leaving it acidic.