4a.1 Economies Can Be Classified In Different Ways And Vary From Place To Place, 4A.2-places Have Changed Their Functions And Characteristics Over Time, 4A.4 Inequalities Impact Regions...
Option A 1. Drainage basin hydrology and geomorphology, Option A 2. Flooding and flood mitigation (Place), Option 1 3. Water scarcity and water quality (power)...