Question 46
Nutrient CyclingAn abandoned refuse dump may be a good site for an intending vegetable farmer because
- A.very little manual work would be done by the farmer
- B.microbial activity had released nutrients into the soil
- C.the roots of vegetable seedlings easily get enough light
- D.refuse dumps possess plenty of gas which scares away rodents.
Show the answer and explanation
Answer: B (microbial activity had released nutrients into the soil)
Explanation
Micro-organisms decompose the organic refuse, releasing mineral nutrients that make the soil fertile.