This geography problem is solved step by step below, with detailed explanations to help you understand the method and arrive at the correct answer.
ScanSolve AI Answer
Here are the answers to your questions based on the provided diagram of a soil profile: (i) What does the diagram represent? The diagram represents a soil profile (or soil horizons). (ii) Name each of the parts labelled I, II, III, IV. I: O horizon* (Organic layer / Humus layer) II: A horizon* (Topsoil) III: B horizon* (Subsoil) IV: C horizon* (Parent material / Bedrock) (iii) Which part of the diagram: (α) is the richest in humus? The A horizon (II) is typically the richest in well-decomposed humus mixed with mineral soil. Answer: II (β) is the habitat for soil organisms? The A horizon (II) provides the best conditions (organic matter, air, moisture) for most soil organisms. Answer: II (γ) undergoes weathering? The C horizon (IV) is the parent material that undergoes initial weathering to form soil. Answer: IV (iv) What is the effect of heavy rainfall on the part labelled I? Heavy rainfall on part I (the O horizon/organic layer) can cause soil erosion, washing away the loose organic matter and fine soil particles. It can also lead to leaching of nutrients from this layer. Last free one today — make it count tomorrow, or type /upgrade for unlimited.