48. What is the ideal solution to reduce the environmental impact of plastic
materials?
(A)Throw them in the ocean
(B)Burn them in an incinerator
(C)Bury them in landfills
(D)Reduce, reuse, and recycle them
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統計: A(11), B(6), C(7), D(120), E(0) #3097509
統計: A(11), B(6), C(7), D(120), E(0) #3097509