In a typical waste treatment system that uses ponds in which bacteria break down liquid and solid waste, what is a typical use for the treated waste? produce heat to heat farm buildings

fertilize farmland

produce methane

produce electricity

How does the principle of federalism affect the u.s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d.it divides the federal and state governments into three branches