it is 10 because you have to set up an equation to get the answer
Answer:
1.Plant native and/or drought-tolerant grasses, ground covers, shrubs and trees. They don't need water as frequently and usually will survive a dry period without watering.
2.Install water efficient irrigation devices, such as micro and drip irrigation and soaker hoses.
3.Use mulch to retain moisture in the soil.
The answer is the red sea
