Match the following water conservation strategies with their primary benefits:
| Column A | Column B |
|---|---|
| A. Rooftop rainwater harvesting | 1. Reduces stormwater runoff and lowers municipal water demand |
| B. Constructed wetlands | 2. Provides habitat for wildlife and treats wastewater naturally |
| C. Permeable pavements | 3. Allows water to percolate into the soil, reducing runoff |
| D. Water-sensitive urban design | 4. Integrates water conservation into urban planning to enhance sustainability |
1
A-1, B-2, C-3, D-4
2
A-2, B-1, C-4, D-3
3
A-3, B-4, C-1, D-2
4
A-4, B-3, C-2, D-1