Answer:
The correct answer is "using crop rotation and terracing"
Step-by-step explanation:
Crop rotation and terracing are both practices that help to satisfy the agricultural needs of a civilization and also protect its population from damaging the soil and the environment. Terracing is the action of preparing a soil to growth crops on it and crops rotation is the practice of growing different crops sequentially in the same land. These two practices help to keep the soil properties and keep growing crops for a longer time.