Answer:
The answer is D. Watering lawns at night, using low-flow faucets, landscaping with native plants.
Step-by-step explanation:
Watering lawns at night will prevent the water evaporation due to the sun, and also will make the soil wet faster. Also, using low-flow faucets will avoid people from wasting water by pouring less and only the necessary, finally, planting native plants will prevent the soil from erosion and will essentially help the balance of the ecosystem.