How did the Incan government government control the labor of the people of the empire? * They made people work on its building projects and farmland
They let people do whatever they wanted
They gave them the choice to either pay with labor or human sacrifice

Migration people get up and go cause they feel it is best for them 

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.