400 ----- Nội dung dịch tự động từ ảnh ----- 7. 8. 9. 10. 7. density 8. slump G. an area of a city where living conditions are extremely bad H. telephone towers, power lines, advertising billboards 9. radioactive pollution 1. the number of people in a place in relation to its area 10. poverty K. artificial illumination, cities
