Parent rock, climate, relief, flora - fauna and time are the factors of soil formation. Relate the following factors with the activities they perform by matching the followingList I(a) Parent rock(b) Flora and fauna(c) Climate(d) TimeList II(i) Thickness of soil profile(ii) Colour, texture, permeability(iii) Rate of humus formation(iv) Rate of weathering

• A. (a) - (iii)(b) - (ii)(c) - (i)(d) - (iv)
• B. (a) - (ii)(b) - (iii)(c) - (iv)(d) - (i)
• C. (a) - (iv)(b) - (i)(c) - (ii)(d) - (iii)
• D. (a) - (iv)(b) - (iii)(c) - (i)(d) - (ii)