次の英文を訳しなさい
More than ten-thousand million kilograms of plastics
8
produced in the United States each year. However, they take up a
+E
lot of ground space used to contain wastes produced by cities and
industries. While in the ground, plastics do not break down into
natural, harmless substances.
(*I**)
(日本工業大)
Jetroneg bas prior