Match the following and choose the correct option:
i. A - horizon a. Small lumps of rocks
ii. B - horizon b. Hard layer which is difficult to dig
iii. C - horizon c. Dark in colour and rich in humus
iv. Bedrock d. Less humus and more minerals, compact
Question 3
Soil conservation measures are mainly aimed at protecting which of the following? (a) Plants (b) Topsoil (c) Subsoil (d) Soil organisms