(13) ______ A. Phong: Yes, maybe. Because billboards, litter, or junkyards can also be considered visual pollution.
Giải thích
(13) __5__A. Phong: Yes, maybe. Because billboards, litter, or junkyards can also be considered visual pollution.
(13) __5__A. Phong: Yes, maybe. Because billboards, litter, or junkyards can also be considered visual pollution.