Question 8
Rocks and Soil FormationThe following processes in soil formation are caused by biotic factors except
- A.bacterial decomposition of plants
- B.soil mixing and turning by earthworms
- C.burrowing of rodents
- D.soil disintegration by dehydration
Show the answer and explanation
Answer: D (soil disintegration by dehydration)
Explanation
Dehydration (drying out) is a physical, non-living process; the others are done by living things.