Trichloroethane (TCE) was commonly used at industrial sites as a solvent to remove grease from machines and engines. The spent TCE was dumped in the environment and polluted large areas of groundwater. Eventually, it was discovered that the surfactants used in laundry detergent worked just as well and are less harmful to the environment. Which action represents the switch to surfactants?
A. waste reduction
B. waste management
C. reuse and recycle
D. waste processing
Answer: A
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