8. The burning of some fuels creates __________ such as carbon monoxide, sulfur
dioxide, and methane which rise into the atmosphere.
(A) greenhouse gases
(B) erosion
(C) biodegradable packaging
(D) green belt
(E) deforestation
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統計: A(2), B(1), C(0), D(0), E(0) #3097624
統計: A(2), B(1), C(0), D(0), E(0) #3097624