A. The more population a country has, the more complicated the plastic pollution is.
B. Plastic bags are often used because of their convenience.
C. Importing plastic waste from developed countries makes the problem more sophisticated.
D. The governments do not prohibit the use of plastic bags at the stores.
D
Dẫn chứng: Every once in a while, the government passes out an order banning store owners from providing plastic bags to customers for carrying their purchases, with little lasting effect.
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